135292868 has 24 divisors (see below), whose sum is σ = 257469912. Its totient is φ = 61945344.

The previous prime is 135292867. The next prime is 135292891. The reversal of 135292868 is 868292531.

It can be written as a sum of positive squares in 4 ways, for example, as 78712384 + 56580484 = 8872^2 + 7522^2 .

It is not an unprimeable number, because it can be changed into a prime (135292867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24371 + ... + 29402.

It is an arithmetic number, because the mean of its divisors is an integer number (10727913).

Almost surely, 2^135292868 is an apocalyptic number.

It is an amenable number.

135292868 is a deficient number, since it is larger than the sum of its proper divisors (122177044).

135292868 is a wasteful number, since it uses less digits than its factorization.

135292868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53831 (or 53829 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 135292868 is about 11631.5462428690. The cubic root of 135292868 is about 513.3634769878.

The spelling of 135292868 in words is "one hundred thirty-five million, two hundred ninety-two thousand, eight hundred sixty-eight".