874704139 has 2 divisors, whose sum is σ = 874704140. Its totient is φ = 874704138.

The previous prime is 874704133. The next prime is 874704143. The reversal of 874704139 is 931407478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 874704139 - 2⁷ = 874704011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 874704095 and 874704104.

It is not a weakly prime, because it can be changed into another prime (874704133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437352069 + 437352070.

It is an arithmetic number, because the mean of its divisors is an integer number (437352070).

Almost surely, 2^874704139 is an apocalyptic number.

874704139 is a deficient number, since it is larger than the sum of its proper divisors (1).

874704139 is an equidigital number, since it uses as much as digits as its factorization.

874704139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 874704139 is about 29575.3975290274. The cubic root of 874704139 is about 956.3577769988.

The spelling of 874704139 in words is "eight hundred seventy-four million, seven hundred four thousand, one hundred thirty-nine".