129090466 has 16 divisors (see below), whose sum is σ = 197323200. Its totient is φ = 63320688.

The previous prime is 129090449. The next prime is 129090487. The reversal of 129090466 is 664090921.

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, 82891 + ... + 84433.

It is an arithmetic number, because the mean of its divisors is an integer number (12332700).

Almost surely, 2^129090466 is an apocalyptic number.

129090466 is a deficient number, since it is larger than the sum of its proper divisors (68232734).

129090466 is a wasteful number, since it uses less digits than its factorization.

129090466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 129090466 is about 11361.7985372035. The cubic root of 129090466 is about 505.3955219229.

The spelling of 129090466 in words is "one hundred twenty-nine million, ninety thousand, four hundred sixty-six".