139952304 has 60 divisors (see below), whose sum is σ = 392683200. Its totient is φ = 46530432.

The previous prime is 139952303. The next prime is 139952317. The reversal of 139952304 is 403259931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (139952303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67962 + ... + 69990.

It is an arithmetic number, because the mean of its divisors is an integer number (6544720).

Almost surely, 2^139952304 is an apocalyptic number.

It is an amenable number.

139952304 is an abundant number, since it is smaller than the sum of its proper divisors (252730896).

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

139952304 is a wasteful number, since it uses less digits than its factorization.

139952304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 139952304 is about 11830.1438706383. The cubic root of 139952304 is about 519.1904365354.

The spelling of 139952304 in words is "one hundred thirty-nine million, nine hundred fifty-two thousand, three hundred four".