139617340 has 24 divisors (see below), whose sum is σ = 293418720. Its totient is φ = 55804608.

The previous prime is 139617329. The next prime is 139617353. The reversal of 139617340 is 43716931.

It is a junction number, because it is equal to n+sod(n) for n = 139617296 and 139617305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48666 + ... + 51454.

It is an arithmetic number, because the mean of its divisors is an integer number (12225780).

Almost surely, 2^139617340 is an apocalyptic number.

139617340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139617340 is an abundant number, since it is smaller than the sum of its proper divisors (153801380).

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

139617340 is a wasteful number, since it uses less digits than its factorization.

139617340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 139617340 is about 11815.9781651796. The cubic root of 139617340 is about 518.7758928383.

The spelling of 139617340 in words is "one hundred thirty-nine million, six hundred seventeen thousand, three hundred forty".