139007674 has 16 divisors (see below), whose sum is σ = 237760488. Its totient is φ = 60383232.

The previous prime is 139007651. The next prime is 139007677. The reversal of 139007674 is 476700931.

It can be written as a sum of positive squares in 4 ways, for example, as 82682649 + 56325025 = 9093^2 + 7505^2 .

It is not an unprimeable number, because it can be changed into a prime (139007677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156807 + ... + 157690.

Almost surely, 2^139007674 is an apocalyptic number.

139007674 is a deficient number, since it is larger than the sum of its proper divisors (98752814).

139007674 is a wasteful number, since it uses less digits than its factorization.

139007674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314529.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 139007674 is about 11790.1515681521. The cubic root of 139007674 is about 518.0196794400.

The spelling of 139007674 in words is "one hundred thirty-nine million, seven thousand, six hundred seventy-four".