135173612 has 24 divisors (see below), whose sum is σ = 270797856. Its totient is φ = 57835008.

The previous prime is 135173587. The next prime is 135173693. The reversal of 135173612 is 216371531.

It is a super-2 number, since 2×135173612² = 36543810762253088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14588 + ... + 21980.

It is an arithmetic number, because the mean of its divisors is an integer number (11283244).

Almost surely, 2^135173612 is an apocalyptic number.

It is an amenable number.

135173612 is an abundant number, since it is smaller than the sum of its proper divisors (135624244).

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

135173612 is a wasteful number, since it uses less digits than its factorization.

135173612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057 (or 8055 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 135173612 is about 11626.4187091297. The cubic root of 135173612 is about 513.2125952431.

The spelling of 135173612 in words is "one hundred thirty-five million, one hundred seventy-three thousand, six hundred twelve".