361679139 has 12 divisors (see below), whose sum is σ = 539278272. Its totient is φ = 233341200.

The previous prime is 361679137. The next prime is 361679159. The reversal of 361679139 is 931976163.

It is not a de Polignac number, because 361679139 - 2¹ = 361679137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361679094 and 361679103.

It is not an unprimeable number, because it can be changed into a prime (361679137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647892 + ... + 648449.

It is an arithmetic number, because the mean of its divisors is an integer number (44939856).

Almost surely, 2^361679139 is an apocalyptic number.

361679139 is a deficient number, since it is larger than the sum of its proper divisors (177599133).

361679139 is a wasteful number, since it uses less digits than its factorization.

361679139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296378 (or 1296375 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 361679139 is about 19017.8636812866. The cubic root of 361679139 is about 712.4829676446.

The spelling of 361679139 in words is "three hundred sixty-one million, six hundred seventy-nine thousand, one hundred thirty-nine".