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134444131 = 2314873931
BaseRepresentation
bin10000000001101…
…11010001100011
3100100222110200021
420000313101203
5233404203011
621201334311
73221520253
oct1000672143
9310873607
10134444131
1169987958
1239037397
1321b13553
1413bd9963
15bc0a471
hex8037463

134444131 has 8 divisors (see below), whose sum is σ = 140419584. Its totient is φ = 128479560.

The previous prime is 134444113. The next prime is 134444137. The reversal of 134444131 is 131444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134444131 - 27 = 134444003 is a prime.

It is a super-2 number, since 2×1344441312 = 36150448720690322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134444096 and 134444105.

It is not an unprimeable number, because it can be changed into a prime (134444137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32236 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (17552448).

Almost surely, 2134444131 is an apocalyptic number.

134444131 is a deficient number, since it is larger than the sum of its proper divisors (5975453).

134444131 is a wasteful number, since it uses less digits than its factorization.

134444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441.

The product of its digits is 2304, while the sum is 25.

The square root of 134444131 is about 11595.0045709348. The cubic root of 134444131 is about 512.2877245811.

Adding to 134444131 its reverse (131444431), we get a palindrome (265888562).

The spelling of 134444131 in words is "one hundred thirty-four million, four hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 23 1487 3931 34201 90413 5845397 134444131