138680795 has 8 divisors (see below), whose sum is σ = 181545840. Its totient is φ = 100858720.

The previous prime is 138680761. The next prime is 138680833. The reversal of 138680795 is 597086831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-138680795 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260680 + ... + 1260789.

It is an arithmetic number, because the mean of its divisors is an integer number (22693230).

Almost surely, 2^138680795 is an apocalyptic number.

138680795 is a deficient number, since it is larger than the sum of its proper divisors (42865045).

138680795 is a wasteful number, since it uses less digits than its factorization.

138680795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521485.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 138680795 is about 11776.2810343504. The cubic root of 138680795 is about 517.6133166091.

The spelling of 138680795 in words is "one hundred thirty-eight million, six hundred eighty thousand, seven hundred ninety-five".