16139022 has 16 divisors (see below), whose sum is σ = 33391440. Its totient is φ = 5194112.

The previous prime is 16138987. The next prime is 16139023. The reversal of 16139022 is 22093161.

16139022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16139022² = 520936062232968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16138983 and 16139001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46203 + ... + 46550.

It is an arithmetic number, because the mean of its divisors is an integer number (2086965).

Almost surely, 2^16139022 is an apocalyptic number.

16139022 is an abundant number, since it is smaller than the sum of its proper divisors (17252418).

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

16139022 is a wasteful number, since it uses less digits than its factorization.

16139022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92787.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 16139022 is about 4017.3401648354. The cubic root of 16139022 is about 252.7119261203.

The spelling of 16139022 in words is "sixteen million, one hundred thirty-nine thousand, twenty-two".