139880324 has 6 divisors (see below), whose sum is σ = 244790574. Its totient is φ = 69940160.

The previous prime is 139880309. The next prime is 139880329. The reversal of 139880324 is 423088931.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 35022724 = 10240^2 + 5918^2 .

It is not an unprimeable number, because it can be changed into a prime (139880329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17485037 + ... + 17485044.

It is an arithmetic number, because the mean of its divisors is an integer number (40798429).

Almost surely, 2^139880324 is an apocalyptic number.

It is an amenable number.

139880324 is a deficient number, since it is larger than the sum of its proper divisors (104910250).

139880324 is a wasteful number, since it uses less digits than its factorization.

139880324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34970085 (or 34970083 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 139880324 is about 11827.1012509406. The cubic root of 139880324 is about 519.1014115954.

The spelling of 139880324 in words is "one hundred thirty-nine million, eight hundred eighty thousand, three hundred twenty-four".