135738207 has 32 divisors (see below), whose sum is σ = 220320000. Its totient is φ = 81911520.

The previous prime is 135738191. The next prime is 135738227. The reversal of 135738207 is 702837531.

135738207 is a `hidden beast` number, since 1 + 3 + 573 + 82 + 0 + 7 = 666.

It is not a de Polignac number, because 135738207 - 2⁴ = 135738191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135738227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79044 + ... + 80742.

It is an arithmetic number, because the mean of its divisors is an integer number (6885000).

Almost surely, 2^135738207 is an apocalyptic number.

135738207 is a deficient number, since it is larger than the sum of its proper divisors (84581793).

135738207 is a wasteful number, since it uses less digits than its factorization.

135738207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 135738207 is about 11650.6741006690. The cubic root of 135738207 is about 513.9261338639.

The spelling of 135738207 in words is "one hundred thirty-five million, seven hundred thirty-eight thousand, two hundred seven".