128913146 has 8 divisors (see below), whose sum is σ = 193471200. Its totient is φ = 64422748.

The previous prime is 128913133. The next prime is 128913181. The reversal of 128913146 is 641319821.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11846 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (24183900).

Almost surely, 2^128913146 is an apocalyptic number.

128913146 is a deficient number, since it is larger than the sum of its proper divisors (64558054).

128913146 is a wasteful number, since it uses less digits than its factorization.

128913146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33828.

The product of its digits is 10368, while the sum is 35.

The square root of 128913146 is about 11353.9925136491. The cubic root of 128913146 is about 505.1640103820.

The spelling of 128913146 in words is "one hundred twenty-eight million, nine hundred thirteen thousand, one hundred forty-six".