139930622 has 16 divisors (see below), whose sum is σ = 231556752. Its totient is φ = 63007680.

The previous prime is 139930619. The next prime is 139930627. The reversal of 139930622 is 226039931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139930627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64568 + ... + 66699.

It is an arithmetic number, because the mean of its divisors is an integer number (14472297).

Almost surely, 2^139930622 is an apocalyptic number.

139930622 is a deficient number, since it is larger than the sum of its proper divisors (91626130).

139930622 is a wasteful number, since it uses less digits than its factorization.

139930622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131323.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 139930622 is about 11829.2274473019. The cubic root of 139930622 is about 519.1636234281.

The spelling of 139930622 in words is "one hundred thirty-nine million, nine hundred thirty thousand, six hundred twenty-two".