139793560 has 16 divisors (see below), whose sum is σ = 314535600. Its totient is φ = 55917408.

The previous prime is 139793519. The next prime is 139793569. The reversal of 139793560 is 65397931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139793569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747380 + ... + 1747459.

It is an arithmetic number, because the mean of its divisors is an integer number (19658475).

Almost surely, 2^139793560 is an apocalyptic number.

139793560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139793560 is an abundant number, since it is smaller than the sum of its proper divisors (174742040).

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

139793560 is a wasteful number, since it uses less digits than its factorization.

139793560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494850 (or 3494846 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 139793560 is about 11823.4326656855. The cubic root of 139793560 is about 518.9940611857.

The spelling of 139793560 in words is "one hundred thirty-nine million, seven hundred ninety-three thousand, five hundred sixty".