313982139 has 16 divisors (see below), whose sum is σ = 423592992. Its totient is φ = 206857728.

The previous prime is 313982107. The next prime is 313982143. The reversal of 313982139 is 931289313.

It is not a de Polignac number, because 313982139 - 2⁵ = 313982107 is a prime.

It is a super-2 number, since 2×313982139² = 197169567222030642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313982097 and 313982106.

It is not an unprimeable number, because it can be changed into a prime (313982839) 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 in 15 ways as a sum of consecutive naturals, for example, 133417 + ... + 135749.

It is an arithmetic number, because the mean of its divisors is an integer number (26474562).

Almost surely, 2^313982139 is an apocalyptic number.

313982139 is a deficient number, since it is larger than the sum of its proper divisors (109610853).

313982139 is a wasteful number, since it uses less digits than its factorization.

313982139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846.

The product of its digits is 34992, while the sum is 39.

The square root of 313982139 is about 17719.5411622310. The cubic root of 313982139 is about 679.6755509581.

The spelling of 313982139 in words is "three hundred thirteen million, nine hundred eighty-two thousand, one hundred thirty-nine".