860793139 has 2 divisors, whose sum is σ = 860793140. Its totient is φ = 860793138.

The previous prime is 860793107. The next prime is 860793187. The reversal of 860793139 is 931397068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860793139 - 2⁵ = 860793107 is a prime.

It is not a weakly prime, because it can be changed into another prime (860793839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430396569 + 430396570.

It is an arithmetic number, because the mean of its divisors is an integer number (430396570).

Almost surely, 2^860793139 is an apocalyptic number.

860793139 is a deficient number, since it is larger than the sum of its proper divisors (1).

860793139 is an equidigital number, since it uses as much as digits as its factorization.

860793139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 860793139 is about 29339.2763884865. The cubic root of 860793139 is about 951.2607965331.

The spelling of 860793139 in words is "eight hundred sixty million, seven hundred ninety-three thousand, one hundred thirty-nine".