46139651 has 2 divisors, whose sum is σ = 46139652. Its totient is φ = 46139650.

The previous prime is 46139603. The next prime is 46139659. The reversal of 46139651 is 15693164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46139651 - 2¹⁰ = 46138627 is a prime.

It is not a weakly prime, because it can be changed into another prime (46139659) 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, 23069825 + 23069826.

It is an arithmetic number, because the mean of its divisors is an integer number (23069826).

Almost surely, 2^46139651 is an apocalyptic number.

46139651 is a deficient number, since it is larger than the sum of its proper divisors (1).

46139651 is an equidigital number, since it uses as much as digits as its factorization.

46139651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 46139651 is about 6792.6173894899. The cubic root of 46139651 is about 358.6670122523.

The spelling of 46139651 in words is "forty-six million, one hundred thirty-nine thousand, six hundred fifty-one".