912131456 has 32 divisors (see below), whose sum is σ = 1818690600. Its totient is φ = 455675904.

The previous prime is 912131417. The next prime is 912131459. The reversal of 912131456 is 654131219.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912131459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199856 + ... + 204368.

Almost surely, 2^912131456 is an apocalyptic number.

It is an amenable number.

912131456 is a deficient number, since it is larger than the sum of its proper divisors (906559144).

912131456 is a wasteful number, since it uses less digits than its factorization.

912131456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106 (or 6094 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 912131456 is about 30201.5141342284. The cubic root of 912131456 is about 969.8081088513.

The spelling of 912131456 in words is "nine hundred twelve million, one hundred thirty-one thousand, four hundred fifty-six".