135226737 has 12 divisors (see below), whose sum is σ = 195695604. Its totient is φ = 89981280.

The previous prime is 135226727. The next prime is 135226753. The reversal of 135226737 is 737622531.

It can be written as a sum of positive squares in 2 ways, for example, as 69956496 + 65270241 = 8364^2 + 8079^2 .

It is not a de Polignac number, because 135226737 - 2²⁶ = 68117873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135226727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9018 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (16307967).

Almost surely, 2^135226737 is an apocalyptic number.

It is an amenable number.

135226737 is a deficient number, since it is larger than the sum of its proper divisors (60468867).

135226737 is a wasteful number, since it uses less digits than its factorization.

135226737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28320 (or 28317 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 135226737 is about 11628.7031521146. The cubic root of 135226737 is about 513.2798195279.

The spelling of 135226737 in words is "one hundred thirty-five million, two hundred twenty-six thousand, seven hundred thirty-seven".