135637172 has 12 divisors (see below), whose sum is σ = 258943776. Its totient is φ = 61653240.

The previous prime is 135637163. The next prime is 135637207. The reversal of 135637172 is 271736531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541288 + ... + 1541375.

It is an arithmetic number, because the mean of its divisors is an integer number (21578648).

Almost surely, 2^135637172 is an apocalyptic number.

It is an amenable number.

135637172 is a deficient number, since it is larger than the sum of its proper divisors (123306604).

135637172 is a wasteful number, since it uses less digits than its factorization.

135637172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082678 (or 3082676 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 135637172 is about 11646.3372783034. The cubic root of 135637172 is about 513.7985907633.

The spelling of 135637172 in words is "one hundred thirty-five million, six hundred thirty-seven thousand, one hundred seventy-two".