16907139 has 12 divisors (see below), whose sum is σ = 25483536. Its totient is φ = 10781232.

The previous prime is 16907123. The next prime is 16907147. The reversal of 16907139 is 93170961.

It is not a de Polignac number, because 16907139 - 2⁴ = 16907123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16907119) 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, 40632 + ... + 41045.

It is an arithmetic number, because the mean of its divisors is an integer number (2123628).

Almost surely, 2^16907139 is an apocalyptic number.

16907139 is a deficient number, since it is larger than the sum of its proper divisors (8576397).

16907139 is a wasteful number, since it uses less digits than its factorization.

16907139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81706 (or 81703 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 16907139 is about 4111.8291550112. The cubic root of 16907139 is about 256.6591240451.

The spelling of 16907139 in words is "sixteen million, nine hundred seven thousand, one hundred thirty-nine".