139918322 has 16 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 67385760.

The previous prime is 139918277. The next prime is 139918333. The reversal of 139918322 is 223819931.

It is an unprimeable number.

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, 4322 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^139918322 is an apocalyptic number.

139918322 is a deficient number, since it is larger than the sum of its proper divisors (77809678).

139918322 is a wasteful number, since it uses less digits than its factorization.

139918322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21721.

The product of its digits is 23328, while the sum is 38.

The square root of 139918322 is about 11828.7075371741. The cubic root of 139918322 is about 519.1484113666.

The spelling of 139918322 in words is "one hundred thirty-nine million, nine hundred eighteen thousand, three hundred twenty-two".