139465608 has 32 divisors (see below), whose sum is σ = 349308960. Its totient is φ = 46402560.

The previous prime is 139465607. The next prime is 139465633. The reversal of 139465608 is 806564931.

139465608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139465608.

It is not an unprimeable number, because it can be changed into a prime (139465607) 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, 8616 + ... + 18792.

It is an arithmetic number, because the mean of its divisors is an integer number (10915905).

Almost surely, 2^139465608 is an apocalyptic number.

It is an amenable number.

139465608 is an abundant number, since it is smaller than the sum of its proper divisors (209843352).

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

139465608 is a wasteful number, since it uses less digits than its factorization.

139465608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 139465608 is about 11809.5557918154. Note that the first 3 decimals coincide. The cubic root of 139465608 is about 518.5878946140.

The spelling of 139465608 in words is "one hundred thirty-nine million, four hundred sixty-five thousand, six hundred eight".