256413134054 has 16 divisors (see below), whose sum is σ = 479525861376. Its totient is φ = 99901221000.

The previous prime is 256413134053. The next prime is 256413134077. The reversal of 256413134054 is 450431314652.

It is a junction number, because it is equal to n+sod(n) for n = 256413133999 and 256413134017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256413134053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832510022 + ... + 832510329.

It is an arithmetic number, because the mean of its divisors is an integer number (29970366336).

Almost surely, 2^256413134054 is an apocalyptic number.

256413134054 is a deficient number, since it is larger than the sum of its proper divisors (223112727322).

256413134054 is a wasteful number, since it uses less digits than its factorization.

256413134054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665020371.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 256413134054 in words is "two hundred fifty-six billion, four hundred thirteen million, one hundred thirty-four thousand, fifty-four".