129076590 has 16 divisors (see below), whose sum is σ = 309783888. Its totient is φ = 34420416.

The previous prime is 129076589. The next prime is 129076627. The reversal of 129076590 is 95670921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151247 + ... + 2151306.

It is an arithmetic number, because the mean of its divisors is an integer number (19361493).

Almost surely, 2^129076590 is an apocalyptic number.

129076590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129076590 is an abundant number, since it is smaller than the sum of its proper divisors (180707298).

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

129076590 is a wasteful number, since it uses less digits than its factorization.

129076590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302563.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 129076590 is about 11361.1878780346. The cubic root of 129076590 is about 505.3774128666.

The spelling of 129076590 in words is "one hundred twenty-nine million, seventy-six thousand, five hundred ninety".