313554139 has 2 divisors, whose sum is σ = 313554140. Its totient is φ = 313554138.

The previous prime is 313554127. The next prime is 313554217. The reversal of 313554139 is 931455313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313554139 - 2⁷ = 313554011 is a prime.

It is not a weakly prime, because it can be changed into another prime (313054139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156777069 + 156777070.

It is an arithmetic number, because the mean of its divisors is an integer number (156777070).

Almost surely, 2^313554139 is an apocalyptic number.

313554139 is a deficient number, since it is larger than the sum of its proper divisors (1).

313554139 is an equidigital number, since it uses as much as digits as its factorization.

313554139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 313554139 is about 17707.4599816010. The cubic root of 313554139 is about 679.3665807132.

The spelling of 313554139 in words is "three hundred thirteen million, five hundred fifty-four thousand, one hundred thirty-nine".