139571622 has 24 divisors (see below), whose sum is σ = 310579776. Its totient is φ = 45266256.

The previous prime is 139571573. The next prime is 139571629. The reversal of 139571622 is 226175931.

139571622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139571629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104118 + ... + 105449.

It is an arithmetic number, because the mean of its divisors is an integer number (12940824).

Almost surely, 2^139571622 is an apocalyptic number.

139571622 is an abundant number, since it is smaller than the sum of its proper divisors (171008154).

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

139571622 is a wasteful number, since it uses less digits than its factorization.

139571622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209612 (or 209609 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 139571622 is about 11814.0434229776. The cubic root of 139571622 is about 518.7192618938.

The spelling of 139571622 in words is "one hundred thirty-nine million, five hundred seventy-one thousand, six hundred twenty-two".