256013192 has 12 divisors (see below), whose sum is σ = 480109605. Its totient is φ = 127983968.

The previous prime is 256013129. The next prime is 256013227. The reversal of 256013192 is 291310652.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 204661636 + 51351556 = 14306^2 + 7166^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11314.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42428 + ... + 48084.

Almost surely, 2^256013192 is an apocalyptic number.

It is an amenable number.

256013192 is a deficient number, since it is larger than the sum of its proper divisors (224096413).

256013192 is an frugal number, since it uses more digits than its factorization.

256013192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 256013192 is about 16000.4122446892. The cubic root of 256013192 is about 634.9713273680.

The spelling of 256013192 in words is "two hundred fifty-six million, thirteen thousand, one hundred ninety-two".