138292514135 has 4 divisors (see below), whose sum is σ = 165951016968. Its totient is φ = 110634011304.

The previous prime is 138292514093. The next prime is 138292514147. The reversal of 138292514135 is 531415292831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138292514135 - 2¹⁰ = 138292513111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13829251409 + ... + 13829251418.

It is an arithmetic number, because the mean of its divisors is an integer number (41487754242).

Almost surely, 2^138292514135 is an apocalyptic number.

138292514135 is a deficient number, since it is larger than the sum of its proper divisors (27658502833).

138292514135 is an equidigital number, since it uses as much as digits as its factorization.

138292514135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658502832.

The product of its digits is 259200, while the sum is 44.

The spelling of 138292514135 in words is "one hundred thirty-eight billion, two hundred ninety-two million, five hundred fourteen thousand, one hundred thirty-five".