135159612 has 24 divisors (see below), whose sum is σ = 360425856. Its totient is φ = 38617008.

The previous prime is 135159611. The next prime is 135159671. The reversal of 135159612 is 216951531.

135159612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135159611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804438 + ... + 804605.

It is an arithmetic number, because the mean of its divisors is an integer number (15017744).

Almost surely, 2^135159612 is an apocalyptic number.

135159612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135159612 is an abundant number, since it is smaller than the sum of its proper divisors (225266244).

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

135159612 is a wasteful number, since it uses less digits than its factorization.

135159612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609057 (or 1609055 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 135159612 is about 11625.8166164790. The cubic root of 135159612 is about 513.1948767346.

The spelling of 135159612 in words is "one hundred thirty-five million, one hundred fifty-nine thousand, six hundred twelve".