139934488 has 16 divisors (see below), whose sum is σ = 266679360. Its totient is φ = 68820000.

The previous prime is 139934479. The next prime is 139934491. The reversal of 139934488 is 884439931.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 142888 + ... + 143863.

It is an arithmetic number, because the mean of its divisors is an integer number (16667460).

Almost surely, 2^139934488 is an apocalyptic number.

It is an amenable number.

139934488 is a deficient number, since it is larger than the sum of its proper divisors (126744872).

139934488 is a wasteful number, since it uses less digits than its factorization.

139934488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286818 (or 286814 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 139934488 is about 11829.3908549849. The cubic root of 139934488 is about 519.1684045309.

It can be divided in two parts, 13993 and 4488, that added together give a palindrome (18481).

The spelling of 139934488 in words is "one hundred thirty-nine million, nine hundred thirty-four thousand, four hundred eighty-eight".