129093470 has 32 divisors (see below), whose sum is σ = 255346560. Its totient is φ = 46599840.

The previous prime is 129093463. The next prime is 129093493. The reversal of 129093470 is 74390921.

It is a self number, because there is not a number n which added to its sum of digits gives 129093470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11069 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (7979580).

Almost surely, 2^129093470 is an apocalyptic number.

129093470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129093470 is a deficient number, since it is larger than the sum of its proper divisors (126253090).

129093470 is a wasteful number, since it uses less digits than its factorization.

129093470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 129093470 is about 11361.9307338146. The cubic root of 129093470 is about 505.3994421617.

The spelling of 129093470 in words is "one hundred twenty-nine million, ninety-three thousand, four hundred seventy".