139604268 has 24 divisors (see below), whose sum is σ = 328629168. Its totient is φ = 46122496.

The previous prime is 139604263. The next prime is 139604317. The reversal of 139604268 is 862406931.

It is not an unprimeable number, because it can be changed into a prime (139604263) 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, 50121 + ... + 52832.

It is an arithmetic number, because the mean of its divisors is an integer number (13692882).

Almost surely, 2^139604268 is an apocalyptic number.

It is an amenable number.

139604268 is an abundant number, since it is smaller than the sum of its proper divisors (189024900).

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

139604268 is a wasteful number, since it uses less digits than its factorization.

139604268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103073 (or 103071 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 139604268 is about 11815.4250029358. The cubic root of 139604268 is about 518.7597017976.

The spelling of 139604268 in words is "one hundred thirty-nine million, six hundred four thousand, two hundred sixty-eight".