135812379127 has 4 divisors (see below), whose sum is σ = 141717265200. Its totient is φ = 129907493056.

The previous prime is 135812379047. The next prime is 135812379137. The reversal of 135812379127 is 721973218531.

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

It is a de Polignac number, because none of the positive numbers 2^k-135812379127 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 (135812379137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952443002 + ... + 2952443047.

It is an arithmetic number, because the mean of its divisors is an integer number (35429316300).

Almost surely, 2^135812379127 is an apocalyptic number.

135812379127 is a deficient number, since it is larger than the sum of its proper divisors (5904886073).

135812379127 is an equidigital number, since it uses as much as digits as its factorization.

135812379127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904886072.

The product of its digits is 635040, while the sum is 49.

The spelling of 135812379127 in words is "one hundred thirty-five billion, eight hundred twelve million, three hundred seventy-nine thousand, one hundred twenty-seven".