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134131445 = 5717225431
BaseRepresentation
bin1111111111010…
…10111011110101
3100100101120202022
413333222323311
5233314201240
621150522525
73216045530
oct777527365
9310346668
10134131445
1169793a38
1238b06445
1321a34126
1413b57a17
15bb979b5
hex7feaef5

134131445 has 16 divisors (see below), whose sum is σ = 194773248. Its totient is φ = 86565120.

The previous prime is 134131429. The next prime is 134131453. The reversal of 134131445 is 544131431.

It is a happy number.

It is not a de Polignac number, because 134131445 - 24 = 134131429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112121 + ... + 113310.

It is an arithmetic number, because the mean of its divisors is an integer number (12173328).

Almost surely, 2134131445 is an apocalyptic number.

It is an amenable number.

134131445 is a deficient number, since it is larger than the sum of its proper divisors (60641803).

134131445 is a wasteful number, since it uses less digits than its factorization.

134131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225460.

The product of its digits is 2880, while the sum is 26.

The square root of 134131445 is about 11581.5130704066. The cubic root of 134131445 is about 511.8902619732.

Adding to 134131445 its reverse (544131431), we get a palindrome (678262876).

The spelling of 134131445 in words is "one hundred thirty-four million, one hundred thirty-one thousand, four hundred forty-five".

Divisors: 1 5 7 17 35 85 119 595 225431 1127155 1578017 3832327 7890085 19161635 26826289 134131445