913012128 has 96 divisors (see below), whose sum is σ = 3043393920. Its totient is φ = 260858880.

The previous prime is 913012123. The next prime is 913012153. The reversal of 913012128 is 821210319.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×913012128² = 1667182291750176768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (913012123) 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, 69433 + ... + 81528.

It is an arithmetic number, because the mean of its divisors is an integer number (31702020).

Almost surely, 2^913012128 is an apocalyptic number.

It is an amenable number.

913012128 is an abundant number, since it is smaller than the sum of its proper divisors (2130381792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

913012128 is a wasteful number, since it uses less digits than its factorization.

913012128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150987 (or 150973 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 913012128 is about 30216.0905479183. The cubic root of 913012128 is about 970.1201282477.

The spelling of 913012128 in words is "nine hundred thirteen million, twelve thousand, one hundred twenty-eight".