674136139 has 6 divisors (see below), whose sum is σ = 716124164. Its totient is φ = 634480800.

The previous prime is 674136121. The next prime is 674136143. The reversal of 674136139 is 931631476.

It is not a de Polignac number, because 674136139 - 2⁷ = 674136011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674136109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166037 + ... + 1166614.

Almost surely, 2^674136139 is an apocalyptic number.

674136139 is a deficient number, since it is larger than the sum of its proper divisors (41988025).

674136139 is a wasteful number, since it uses less digits than its factorization.

674136139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332685 (or 2332668 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 674136139 is about 25964.1317782821. The cubic root of 674136139 is about 876.8309476539.

The spelling of 674136139 in words is "six hundred seventy-four million, one hundred thirty-six thousand, one hundred thirty-nine".