312584139 has 24 divisors (see below), whose sum is σ = 516538880. Its totient is φ = 178437168.

The previous prime is 312584101. The next prime is 312584141. The reversal of 312584139 is 931485213.

It is not a de Polignac number, because 312584139 - 2²¹ = 310486987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312584159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81732 + ... + 85470.

Almost surely, 2^312584139 is an apocalyptic number.

312584139 is a deficient number, since it is larger than the sum of its proper divisors (203954741).

312584139 is a wasteful number, since it uses less digits than its factorization.

312584139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5076 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 312584139 is about 17680.0491797959. The cubic root of 312584139 is about 678.6653022526.

The spelling of 312584139 in words is "three hundred twelve million, five hundred eighty-four thousand, one hundred thirty-nine".