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131364135 = 32571014129
BaseRepresentation
bin1111101010001…
…11010100100111
3100011011222201100
413311013110213
5232112123020
621011331143
73153401550
oct765072447
9304158640
10131364135
1168173901
1237bb0ab3
13212a5676
1413637327
15b7eca90
hex7d47527

131364135 has 48 divisors (see below), whose sum is σ = 262866240. Its totient is φ = 59443200.

The previous prime is 131364127. The next prime is 131364139. The reversal of 131364135 is 531463131.

131364135 is a `hidden beast` number, since 1 + 3 + 13 + 641 + 3 + 5 = 666.

It is not a de Polignac number, because 131364135 - 23 = 131364127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131364099 and 131364108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131364139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29751 + ... + 33879.

It is an arithmetic number, because the mean of its divisors is an integer number (5476380).

Almost surely, 2131364135 is an apocalyptic number.

131364135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131364135 is an abundant number, since it is smaller than the sum of its proper divisors (131502105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131364135 is a wasteful number, since it uses less digits than its factorization.

131364135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4245 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 131364135 is about 11461.4194147147. The cubic root of 131364135 is about 508.3454454398.

It can be divided in two parts, 13136 and 4135, that added together give a palindrome (17271).

The spelling of 131364135 in words is "one hundred thirty-one million, three hundred sixty-four thousand, one hundred thirty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 101 105 303 315 505 707 909 1515 2121 3535 4129 4545 6363 10605 12387 20645 28903 31815 37161 61935 86709 144515 185805 260127 417029 433545 1251087 1300635 2085145 2919203 3753261 6255435 8757609 14596015 18766305 26272827 43788045 131364135