139607922 has 16 divisors (see below), whose sum is σ = 279558720. Its totient is φ = 46478832.

The previous prime is 139607921. The next prime is 139607933. The reversal of 139607922 is 229706931.

139607922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139607921) 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, 8833 + ... + 18900.

It is an arithmetic number, because the mean of its divisors is an integer number (17472420).

Almost surely, 2^139607922 is an apocalyptic number.

139607922 is an abundant number, since it is smaller than the sum of its proper divisors (139950798).

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

139607922 is a wasteful number, since it uses less digits than its factorization.

139607922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28577.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 139607922 is about 11815.5796303017. The cubic root of 139607922 is about 518.7642277609.

Subtracting 139607922 from its reverse (229706931), we obtain a palindrome (90099009).

The spelling of 139607922 in words is "one hundred thirty-nine million, six hundred seven thousand, nine hundred twenty-two".