16139292 has 24 divisors (see below), whose sum is σ = 40555536. Its totient is φ = 4965888.

The previous prime is 16139269. The next prime is 16139293. The reversal of 16139292 is 29293161.

It is a super-2 number, since 2×16139292² = 520953492522528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51573 + ... + 51884.

It is an arithmetic number, because the mean of its divisors is an integer number (1689814).

Almost surely, 2^16139292 is an apocalyptic number.

16139292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16139292 is an abundant number, since it is smaller than the sum of its proper divisors (24416244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16139292 is a wasteful number, since it uses less digits than its factorization.

16139292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103477 (or 103475 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 16139292 is about 4017.3737690188. The cubic root of 16139292 is about 252.7133353722.

The spelling of 16139292 in words is "sixteen million, one hundred thirty-nine thousand, two hundred ninety-two".