135150137988 has 24 divisors (see below), whose sum is σ = 329061206208. Its totient is φ = 43091348256.

The previous prime is 135150137957. The next prime is 135150138043. The reversal of 135150137988 is 889731051531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135150137988.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244836931 + ... + 244837482.

It is an arithmetic number, because the mean of its divisors is an integer number (13710883592).

Almost surely, 2^135150137988 is an apocalyptic number.

It is an amenable number.

135150137988 is an abundant number, since it is smaller than the sum of its proper divisors (193911068220).

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

135150137988 is a wasteful number, since it uses less digits than its factorization.

135150137988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489674443 (or 489674441 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 135150137988 in words is "one hundred thirty-five billion, one hundred fifty million, one hundred thirty-seven thousand, nine hundred eighty-eight".