129596545 has 16 divisors (see below), whose sum is σ = 168193872. Its totient is φ = 95293440.

The previous prime is 129596527. The next prime is 129596567. The reversal of 129596545 is 545695921.

It can be written as a sum of positive squares in 8 ways, for example, as 1089 + 129595456 = 33^2 + 11384^2 .

It is not a de Polignac number, because 129596545 - 2¹⁷ = 129465473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129596495 and 129596504.

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, 11529 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (10512117).

Almost surely, 2^129596545 is an apocalyptic number.

It is an amenable number.

129596545 is a deficient number, since it is larger than the sum of its proper divisors (38597327).

129596545 is a wasteful number, since it uses less digits than its factorization.

129596545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532.

The product of its digits is 486000, while the sum is 46.

The square root of 129596545 is about 11384.0478301876. The cubic root of 129596545 is about 506.0551021351.

The spelling of 129596545 in words is "one hundred twenty-nine million, five hundred ninety-six thousand, five hundred forty-five".