129413036 has 6 divisors (see below), whose sum is σ = 226472820. Its totient is φ = 64706516.

The previous prime is 129413033. The next prime is 129413041. The reversal of 129413036 is 630314921.

It is not an unprimeable number, because it can be changed into a prime (129413033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16176626 + ... + 16176633.

It is an arithmetic number, because the mean of its divisors is an integer number (37745470).

Almost surely, 2^129413036 is an apocalyptic number.

It is an amenable number.

129413036 is a deficient number, since it is larger than the sum of its proper divisors (97059784).

129413036 is a wasteful number, since it uses less digits than its factorization.

129413036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32353263 (or 32353261 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 129413036 is about 11375.9850562490. The cubic root of 129413036 is about 505.8161309164.

Adding to 129413036 its reverse (630314921), we get a palindrome (759727957).

The spelling of 129413036 in words is "one hundred twenty-nine million, four hundred thirteen thousand, thirty-six".