129310590 has 16 divisors (see below), whose sum is σ = 310345488. Its totient is φ = 34482816.

The previous prime is 129310567. The next prime is 129310609. The reversal of 129310590 is 95013921.

It is a super-2 number, since 2×129310590² = 33442457372296200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4310353 = 129310590 / (1 + 2 + 9 + 3 + 1 + 0 + 5 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155147 + ... + 2155206.

It is an arithmetic number, because the mean of its divisors is an integer number (19396593).

Almost surely, 2^129310590 is an apocalyptic number.

129310590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129310590 is an abundant number, since it is smaller than the sum of its proper divisors (181034898).

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

129310590 is a wasteful number, since it uses less digits than its factorization.

129310590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310363.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 129310590 is about 11371.4814338326. The cubic root of 129310590 is about 505.6826242245.

The spelling of 129310590 in words is "one hundred twenty-nine million, three hundred ten thousand, five hundred ninety".