46139459 has 2 divisors, whose sum is σ = 46139460. Its totient is φ = 46139458.

The previous prime is 46139453. The next prime is 46139491. The reversal of 46139459 is 95493164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46139459 - 2²⁰ = 45090883 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 (46139453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23069729 + 23069730.

It is an arithmetic number, because the mean of its divisors is an integer number (23069730).

Almost surely, 2^46139459 is an apocalyptic number.

46139459 is a deficient number, since it is larger than the sum of its proper divisors (1).

46139459 is an equidigital number, since it uses as much as digits as its factorization.

46139459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 46139459 is about 6792.6032564842. The cubic root of 46139459 is about 358.6665147470. Note that the first 3 decimals are identical.

The spelling of 46139459 in words is "forty-six million, one hundred thirty-nine thousand, four hundred fifty-nine".