129390311 has 16 divisors (see below), whose sum is σ = 138040320. Its totient is φ = 121080960.

The previous prime is 129390299. The next prime is 129390367. The reversal of 129390311 is 113093921.

It is a cyclic number.

It is not a de Polignac number, because 129390311 - 2¹⁰ = 129389287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129390511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150200 + ... + 151058.

It is an arithmetic number, because the mean of its divisors is an integer number (8627520).

Almost surely, 2^129390311 is an apocalyptic number.

129390311 is a deficient number, since it is larger than the sum of its proper divisors (8650009).

129390311 is a wasteful number, since it uses less digits than its factorization.

129390311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 129390311 is about 11374.9861977938. The cubic root of 129390311 is about 505.7865219867.

The spelling of 129390311 in words is "one hundred twenty-nine million, three hundred ninety thousand, three hundred eleven".