129937326402 has 128 divisors (see below), whose sum is σ = 301340196864. Its totient is φ = 37040560128.

The previous prime is 129937326401. The next prime is 129937326413. The reversal of 129937326402 is 204623739921.

It is not an unprimeable number, because it can be changed into a prime (129937326401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8170903 + ... + 8186789.

It is an arithmetic number, because the mean of its divisors is an integer number (2354220288).

Almost surely, 2^129937326402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129937326402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150670098432).

129937326402 is an abundant number, since it is smaller than the sum of its proper divisors (171402870462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129937326402 is a wasteful number, since it uses less digits than its factorization.

129937326402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 129937326402 in words is "one hundred twenty-nine billion, nine hundred thirty-seven million, three hundred twenty-six thousand, four hundred two".