139984072 has 16 divisors (see below), whose sum is σ = 273882240. Its totient is φ = 66948816.

The previous prime is 139984057. The next prime is 139984087. The reversal of 139984072 is 270489931.

It is an interprime number because it is at equal distance from previous prime (139984057) and next prime (139984087).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380208 + ... + 380575.

It is an arithmetic number, because the mean of its divisors is an integer number (17117640).

Almost surely, 2^139984072 is an apocalyptic number.

It is an amenable number.

139984072 is a deficient number, since it is larger than the sum of its proper divisors (133898168).

139984072 is a wasteful number, since it uses less digits than its factorization.

139984072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760812 (or 760808 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 139984072 is about 11831.4864662053. The cubic root of 139984072 is about 519.2297175225.

The spelling of 139984072 in words is "one hundred thirty-nine million, nine hundred eighty-four thousand, seventy-two".