456526139 has 2 divisors, whose sum is σ = 456526140. Its totient is φ = 456526138.

The previous prime is 456526061. The next prime is 456526157. The reversal of 456526139 is 931625654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 456526139 - 2¹² = 456522043 is a prime.

It is a super-2 number, since 2×456526139² = 416832231180494642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 456526096 and 456526105.

It is not a weakly prime, because it can be changed into another prime (456526199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228263069 + 228263070.

It is an arithmetic number, because the mean of its divisors is an integer number (228263070).

Almost surely, 2^456526139 is an apocalyptic number.

456526139 is a deficient number, since it is larger than the sum of its proper divisors (1).

456526139 is an equidigital number, since it uses as much as digits as its factorization.

456526139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 456526139 is about 21366.4723106085. The cubic root of 456526139 is about 769.9961426692.

The spelling of 456526139 in words is "four hundred fifty-six million, five hundred twenty-six thousand, one hundred thirty-nine".