401313139 has 2 divisors, whose sum is σ = 401313140. Its totient is φ = 401313138.

The previous prime is 401313053. The next prime is 401313161. The reversal of 401313139 is 931313104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401313139 - 2¹¹ = 401311091 is a prime.

It is a super-2 number, since 2×401313139² = 322104471068066642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401313439) 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, 200656569 + 200656570.

It is an arithmetic number, because the mean of its divisors is an integer number (200656570).

Almost surely, 2^401313139 is an apocalyptic number.

401313139 is a deficient number, since it is larger than the sum of its proper divisors (1).

401313139 is an equidigital number, since it uses as much as digits as its factorization.

401313139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 401313139 is about 20032.8015764146. The cubic root of 401313139 is about 737.6116932816.

The spelling of 401313139 in words is "four hundred one million, three hundred thirteen thousand, one hundred thirty-nine".