457164139 has 2 divisors, whose sum is σ = 457164140. Its totient is φ = 457164138.

The previous prime is 457164137. The next prime is 457164163. The reversal of 457164139 is 931461754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457164139 - 2¹ = 457164137 is a prime.

It is a super-2 number, since 2×457164139² = 417998099975222642, which contains 22 as substring.

Together with 457164137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (457164131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228582069 + 228582070.

It is an arithmetic number, because the mean of its divisors is an integer number (228582070).

Almost surely, 2^457164139 is an apocalyptic number.

457164139 is a deficient number, since it is larger than the sum of its proper divisors (1).

457164139 is an equidigital number, since it uses as much as digits as its factorization.

457164139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 457164139 is about 21381.3970310642. The cubic root of 457164139 is about 770.3546682305.

The spelling of 457164139 in words is "four hundred fifty-seven million, one hundred sixty-four thousand, one hundred thirty-nine".