135995757 has 16 divisors (see below), whose sum is σ = 194328960. Its totient is φ = 84376512.

The previous prime is 135995747. The next prime is 135995759. The reversal of 135995757 is 757599531.

It is a de Polignac number, because none of the positive numbers 2^k-135995757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135995759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24082 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (12145560).

Almost surely, 2^135995757 is an apocalyptic number.

It is an amenable number.

135995757 is a deficient number, since it is larger than the sum of its proper divisors (58333203).

135995757 is a wasteful number, since it uses less digits than its factorization.

135995757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53332.

The product of its digits is 1488375, while the sum is 51.

The square root of 135995757 is about 11661.7218711475. The cubic root of 135995757 is about 514.2509700624.

The spelling of 135995757 in words is "one hundred thirty-five million, nine hundred ninety-five thousand, seven hundred fifty-seven".