139674623 has 24 divisors (see below), whose sum is σ = 160484688. Its totient is φ = 120528000.

The previous prime is 139674583. The next prime is 139674631. The reversal of 139674623 is 326476931.

It is not a de Polignac number, because 139674623 - 2⁶ = 139674559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139674673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771593 + ... + 771773.

It is an arithmetic number, because the mean of its divisors is an integer number (6686862).

Almost surely, 2^139674623 is an apocalyptic number.

139674623 is a deficient number, since it is larger than the sum of its proper divisors (20810065).

139674623 is a wasteful number, since it uses less digits than its factorization.

139674623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 296 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 139674623 is about 11818.4018801190. The cubic root of 139674623 is about 518.8468319166.

The spelling of 139674623 in words is "one hundred thirty-nine million, six hundred seventy-four thousand, six hundred twenty-three".