139221362 has 16 divisors (see below), whose sum is σ = 239661312. Its totient is φ = 59417280.

The previous prime is 139221349. The next prime is 139221389. The reversal of 139221362 is 263122931.

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, 17258 + ... + 24005.

It is an arithmetic number, because the mean of its divisors is an integer number (14978832).

Almost surely, 2^139221362 is an apocalyptic number.

139221362 is a deficient number, since it is larger than the sum of its proper divisors (100439950).

139221362 is a wasteful number, since it uses less digits than its factorization.

139221362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41513.

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

The square root of 139221362 is about 11799.2102278076. The cubic root of 139221362 is about 518.2849835371.

The spelling of 139221362 in words is "one hundred thirty-nine million, two hundred twenty-one thousand, three hundred sixty-two".