139007673 has 12 divisors (see below), whose sum is σ = 229473088. Its totient is φ = 79432920.

The previous prime is 139007651. The next prime is 139007677. The reversal of 139007673 is 376700931.

It is not a de Polignac number, because 139007673 - 2¹⁷ = 138876601 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 1103173 + ... + 1103298.

Almost surely, 2^139007673 is an apocalyptic number.

It is an amenable number.

139007673 is a deficient number, since it is larger than the sum of its proper divisors (90465415).

139007673 is a wasteful number, since it uses less digits than its factorization.

139007673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206484 (or 2206481 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 139007673 is about 11790.1515257438. The cubic root of 139007673 is about 518.0196781978.

The spelling of 139007673 in words is "one hundred thirty-nine million, seven thousand, six hundred seventy-three".