138513695 has 8 divisors (see below), whose sum is σ = 166286544. Its totient is φ = 110764224.

The previous prime is 138513691. The next prime is 138513709. The reversal of 138513695 is 596315831.

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 138513695 - 2² = 138513691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138513691) 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, 12347 + ... + 20723.

It is an arithmetic number, because the mean of its divisors is an integer number (20785818).

Almost surely, 2^138513695 is an apocalyptic number.

138513695 is a deficient number, since it is larger than the sum of its proper divisors (27772849).

138513695 is an equidigital number, since it uses as much as digits as its factorization.

138513695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11689.

The product of its digits is 97200, while the sum is 41.

The square root of 138513695 is about 11769.1841263530. The cubic root of 138513695 is about 517.4053379250.

The spelling of 138513695 in words is "one hundred thirty-eight million, five hundred thirteen thousand, six hundred ninety-five".