135276542091 has 24 divisors (see below), whose sum is σ = 199032040896. Its totient is φ = 88514173440.

The previous prime is 135276542059. The next prime is 135276542099. The reversal of 135276542091 is 190245672531.

135276542091 is a `hidden beast` number, since 1 + 35 + 2 + 76 + 542 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 135276542091 - 2⁵ = 135276542059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135276542099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11910 + ... + 520283.

It is an arithmetic number, because the mean of its divisors is an integer number (8293001704).

Almost surely, 2^135276542091 is an apocalyptic number.

135276542091 is a deficient number, since it is larger than the sum of its proper divisors (63755498805).

135276542091 is a wasteful number, since it uses less digits than its factorization.

135276542091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532723 (or 532720 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 135276542091 in words is "one hundred thirty-five billion, two hundred seventy-six million, five hundred forty-two thousand, ninety-one".