138293795 has 8 divisors (see below), whose sum is σ = 166096224. Its totient is φ = 110539264.

The previous prime is 138293791. The next prime is 138293797. The reversal of 138293795 is 597392831.

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

It is a cyclic number.

It is not a de Polignac number, because 138293795 - 2² = 138293791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138293791) 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, 5279 + ... + 17448.

It is an arithmetic number, because the mean of its divisors is an integer number (20762028).

Almost surely, 2^138293795 is an apocalyptic number.

138293795 is a deficient number, since it is larger than the sum of its proper divisors (27802429).

138293795 is a wasteful number, since it uses less digits than its factorization.

138293795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23949.

The product of its digits is 408240, while the sum is 47.

The square root of 138293795 is about 11759.8382216764. The cubic root of 138293795 is about 517.1313874038.

The spelling of 138293795 in words is "one hundred thirty-eight million, two hundred ninety-three thousand, seven hundred ninety-five".