129091310 has 8 divisors (see below), whose sum is σ = 232364376. Its totient is φ = 51636520.

The previous prime is 129091307. The next prime is 129091349. The reversal of 129091310 is 13190921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×129091310² = 33329132635032200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129091310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454556 + ... + 6454575.

It is an arithmetic number, because the mean of its divisors is an integer number (29045547).

Almost surely, 2^129091310 is an apocalyptic number.

129091310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129091310 is a deficient number, since it is larger than the sum of its proper divisors (103273066).

129091310 is a wasteful number, since it uses less digits than its factorization.

129091310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909138.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 129091310 is about 11361.8356791497. The cubic root of 129091310 is about 505.3966233543.

The spelling of 129091310 in words is "one hundred twenty-nine million, ninety-one thousand, three hundred ten".