139965224 has 32 divisors (see below), whose sum is σ = 303549120. Its totient is φ = 59260416.

The previous prime is 139965193. The next prime is 139965253. The reversal of 139965224 is 422569931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10409 + ... + 19704.

It is an arithmetic number, because the mean of its divisors is an integer number (9485910).

Almost surely, 2^139965224 is an apocalyptic number.

139965224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139965224 is an abundant number, since it is smaller than the sum of its proper divisors (163583896).

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

139965224 is a wasteful number, since it uses less digits than its factorization.

139965224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209 (or 30205 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 139965224 is about 11830.6899207105. The cubic root of 139965224 is about 519.2064127736.

The spelling of 139965224 in words is "one hundred thirty-nine million, nine hundred sixty-five thousand, two hundred twenty-four".