135291158771 has 16 divisors (see below), whose sum is σ = 140465041920. Its totient is φ = 130230743520.

The previous prime is 135291158753. The next prime is 135291158791. The reversal of 135291158771 is 177851192531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135291158771 - 2⁶ = 135291158707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135291158791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602261 + ... + 795801.

It is an arithmetic number, because the mean of its divisors is an integer number (8779065120).

Almost surely, 2^135291158771 is an apocalyptic number.

135291158771 is a deficient number, since it is larger than the sum of its proper divisors (5173883149).

135291158771 is a wasteful number, since it uses less digits than its factorization.

135291158771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193834.

The product of its digits is 529200, while the sum is 50.

The spelling of 135291158771 in words is "one hundred thirty-five billion, two hundred ninety-one million, one hundred fifty-eight thousand, seven hundred seventy-one".