307412139 has 8 divisors (see below), whose sum is σ = 433993680. Its totient is φ = 192886016.

The previous prime is 307412081. The next prime is 307412143. The reversal of 307412139 is 931214703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 307412139 - 2⁹ = 307411627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307412639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013794 + ... + 3013895.

It is an arithmetic number, because the mean of its divisors is an integer number (54249210).

Almost surely, 2^307412139 is an apocalyptic number.

307412139 is a deficient number, since it is larger than the sum of its proper divisors (126581541).

307412139 is a wasteful number, since it uses less digits than its factorization.

307412139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027709.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 307412139 is about 17533.1725309483. The cubic root of 307412139 is about 674.9014133109.

The spelling of 307412139 in words is "three hundred seven million, four hundred twelve thousand, one hundred thirty-nine".