674993139 has 8 divisors (see below), whose sum is σ = 902662800. Its totient is φ = 448659456.

The previous prime is 674993131. The next prime is 674993161. The reversal of 674993139 is 931399476.

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

It is not a de Polignac number, because 674993139 - 2³ = 674993131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674993091 and 674993100.

It is not an unprimeable number, because it can be changed into a prime (674993131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332814 + ... + 334835.

It is an arithmetic number, because the mean of its divisors is an integer number (112832850).

Almost surely, 2^674993139 is an apocalyptic number.

674993139 is a deficient number, since it is larger than the sum of its proper divisors (227669661).

674993139 is a wasteful number, since it uses less digits than its factorization.

674993139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667989.

The product of its digits is 1102248, while the sum is 51.

The square root of 674993139 is about 25980.6300731911. The cubic root of 674993139 is about 877.2023493522.

The spelling of 674993139 in words is "six hundred seventy-four million, nine hundred ninety-three thousand, one hundred thirty-nine".