139321622 has 16 divisors (see below), whose sum is σ = 230241744. Its totient is φ = 62700000.

The previous prime is 139321619. The next prime is 139321639. The reversal of 139321622 is 226123931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29129 + ... + 33572.

It is an arithmetic number, because the mean of its divisors is an integer number (14390109).

Almost surely, 2^139321622 is an apocalyptic number.

139321622 is a deficient number, since it is larger than the sum of its proper divisors (90920122).

139321622 is a wasteful number, since it uses less digits than its factorization.

139321622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62815.

The product of its digits is 3888, while the sum is 29.

The square root of 139321622 is about 11803.4580526217. The cubic root of 139321622 is about 518.4093676664.

The spelling of 139321622 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, six hundred twenty-two".