16937139 has 4 divisors (see below), whose sum is σ = 22582856. Its totient is φ = 11291424.

The previous prime is 16937111. The next prime is 16937147. The reversal of 16937139 is 93173961.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16937139 - 2¹² = 16933043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16937097 and 16937106.

It is not an unprimeable number, because it can be changed into a prime (16937149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822854 + ... + 2822859.

It is an arithmetic number, because the mean of its divisors is an integer number (5645714).

Almost surely, 2^16937139 is an apocalyptic number.

16937139 is a deficient number, since it is larger than the sum of its proper divisors (5645717).

16937139 is an equidigital number, since it uses as much as digits as its factorization.

16937139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645716.

The product of its digits is 30618, while the sum is 39.

The square root of 16937139 is about 4115.4755496783. The cubic root of 16937139 is about 256.8108395236.

The spelling of 16937139 in words is "sixteen million, nine hundred thirty-seven thousand, one hundred thirty-nine".