135231577146 has 24 divisors (see below), whose sum is σ = 293012722080. Its totient is φ = 45075504456.

The previous prime is 135231577097. The next prime is 135231577181. The reversal of 135231577146 is 641775132531.

135231577146 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 31 + 577 + 1 + 46 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412101 + ... + 663543.

It is an arithmetic number, because the mean of its divisors is an integer number (12208863420).

Almost surely, 2^135231577146 is an apocalyptic number.

135231577146 is an abundant number, since it is smaller than the sum of its proper divisors (157781144934).

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

135231577146 is a wasteful number, since it uses less digits than its factorization.

135231577146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281330 (or 281327 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 135231577146 in words is "one hundred thirty-five billion, two hundred thirty-one million, five hundred seventy-seven thousand, one hundred forty-six".