129695613 has 8 divisors (see below), whose sum is σ = 173050176. Its totient is φ = 86402400.

The previous prime is 129695593. The next prime is 129695617. The reversal of 129695613 is 316596921.

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

It is not a de Polignac number, because 129695613 - 2⁶ = 129695549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129695617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10153 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (21631272).

Almost surely, 2^129695613 is an apocalyptic number.

It is an amenable number.

129695613 is a deficient number, since it is larger than the sum of its proper divisors (43354563).

129695613 is a wasteful number, since it uses less digits than its factorization.

129695613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30675.

The product of its digits is 87480, while the sum is 42.

The square root of 129695613 is about 11388.3981753362. The cubic root of 129695613 is about 506.1840178600.

The spelling of 129695613 in words is "one hundred twenty-nine million, six hundred ninety-five thousand, six hundred thirteen".