5138364456 has 24 divisors (see below), whose sum is σ = 13916403930. Its totient is φ = 1712788128.

The previous prime is 5138364443. The next prime is 5138364467. The reversal of 5138364456 is 6544638315.

5138364456 is a `hidden beast` number, since 5 + 138 + 3 + 64 + 456 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3503456100 + 1634908356 = 59190^2 + 40434^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35683015 + ... + 35683158.

Almost surely, 2^5138364456 is an apocalyptic number.

It is an amenable number.

5138364456 is an abundant number, since it is smaller than the sum of its proper divisors (8778039474).

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

5138364456 is a wasteful number, since it uses less digits than its factorization.

5138364456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71366185 (or 71366178 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 5138364456 is about 71682.3859535939. The cubic root of 5138364456 is about 1725.6059713518.

The spelling of 5138364456 in words is "five billion, one hundred thirty-eight million, three hundred sixty-four thousand, four hundred fifty-six".