457139 has 2 divisors, whose sum is σ = 457140. Its totient is φ = 457138.

The previous prime is 457117. The next prime is 457151. The reversal of 457139 is 931754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (457189) by changing a digit.

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 as a sum of consecutive naturals, namely, 228569 + 228570.

It is an arithmetic number, because the mean of its divisors is an integer number (228570).

2⁴⁵⁷¹³⁹ is an apocalyptic number.

457139 is a deficient number, since it is larger than the sum of its proper divisors (1).

457139 is an equidigital number, since it uses as much as digits as its factorization.

457139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 457139 is about 676.1205513812. The cubic root of 457139 is about 77.0340547627.

The spelling of 457139 in words is "four hundred fifty-seven thousand, one hundred thirty-nine".