129373004 has 12 divisors (see below), whose sum is σ = 227419584. Its totient is φ = 64395984.

The previous prime is 129373003. The next prime is 129373067. The reversal of 129373004 is 400373921.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (129373003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71627 + ... + 73410.

It is an arithmetic number, because the mean of its divisors is an integer number (18951632).

Almost surely, 2^129373004 is an apocalyptic number.

It is an amenable number.

129373004 is a deficient number, since it is larger than the sum of its proper divisors (98046580).

129373004 is a wasteful number, since it uses less digits than its factorization.

129373004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145264 (or 145262 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 129373004 is about 11374.2254241772. The cubic root of 129373004 is about 505.7639699692.

The spelling of 129373004 in words is "one hundred twenty-nine million, three hundred seventy-three thousand, four".