135170072 has 16 divisors (see below), whose sum is σ = 253998240. Its totient is φ = 67437216.

The previous prime is 135170069. The next prime is 135170081. The reversal of 135170072 is 270071531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14543 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (15874890).

Almost surely, 2^135170072 is an apocalyptic number.

It is an amenable number.

135170072 is a deficient number, since it is larger than the sum of its proper divisors (118828168).

135170072 is a wasteful number, since it uses less digits than its factorization.

135170072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36962 (or 36958 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 135170072 is about 11626.2664686476. The cubic root of 135170072 is about 513.2081151072.

The spelling of 135170072 in words is "one hundred thirty-five million, one hundred seventy thousand, seventy-two".