135751261992 has 16 divisors (see below), whose sum is σ = 339378155040. Its totient is φ = 45250420656.

The previous prime is 135751261991. The next prime is 135751262011. The reversal of 135751261992 is 299162157531.

It is not an unprimeable number, because it can be changed into a prime (135751261991) 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, 2828151268 + ... + 2828151315.

It is an arithmetic number, because the mean of its divisors is an integer number (21211134690).

Almost surely, 2^135751261992 is an apocalyptic number.

135751261992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135751261992 is an abundant number, since it is smaller than the sum of its proper divisors (203626893048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135751261992 is a wasteful number, since it uses less digits than its factorization.

135751261992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656302592 (or 5656302588 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 51.

The spelling of 135751261992 in words is "one hundred thirty-five billion, seven hundred fifty-one million, two hundred sixty-one thousand, nine hundred ninety-two".