139860368 has 40 divisors (see below), whose sum is σ = 286127520. Its totient is φ = 66044160.

The previous prime is 139860361. The next prime is 139860403. The reversal of 139860368 is 863068931.

139860368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139860361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148796 + ... + 149732.

It is an arithmetic number, because the mean of its divisors is an integer number (7153188).

Almost surely, 2^139860368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139860368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143063760).

139860368 is an abundant number, since it is smaller than the sum of its proper divisors (146267152).

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

139860368 is a wasteful number, since it uses less digits than its factorization.

139860368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 139860368 is about 11826.2575652655. The cubic root of 139860368 is about 519.0767245865.

The spelling of 139860368 in words is "one hundred thirty-nine million, eight hundred sixty thousand, three hundred sixty-eight".