16139356 has 12 divisors (see below), whose sum is σ = 28402920. Its totient is φ = 8024240.

The previous prime is 16139329. The next prime is 16139371. The reversal of 16139356 is 65393161.

16139356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (2366910).

Almost surely, 2^16139356 is an apocalyptic number.

It is an amenable number.

16139356 is a deficient number, since it is larger than the sum of its proper divisors (12263564).

16139356 is a wasteful number, since it uses less digits than its factorization.

16139356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22724 (or 22722 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 16139356 is about 4017.3817344136. The cubic root of 16139356 is about 252.7136694147.

The spelling of 16139356 in words is "sixteen million, one hundred thirty-nine thousand, three hundred fifty-six".