135170444 has 12 divisors (see below), whose sum is σ = 236770464. Its totient is φ = 67521744.

The previous prime is 135170443. The next prime is 135170461. The reversal of 135170444 is 444071531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135170443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10907 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (19730872).

Almost surely, 2^135170444 is an apocalyptic number.

It is an amenable number.

135170444 is a deficient number, since it is larger than the sum of its proper divisors (101600020).

135170444 is a wasteful number, since it uses less digits than its factorization.

135170444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31744 (or 31742 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 135170444 is about 11626.2824668937. The cubic root of 135170444 is about 513.2085859049.

The spelling of 135170444 in words is "one hundred thirty-five million, one hundred seventy thousand, four hundred forty-four".