135953769 has 16 divisors (see below), whose sum is σ = 214312320. Its totient is φ = 75008640.

The previous prime is 135953767. The next prime is 135953789. The reversal of 135953769 is 967359531.

135953769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135953769 - 2¹ = 135953767 is a prime.

It is a super-2 number, since 2×135953769² = 36966854610610722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135953767) 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, 111012 + ... + 112229.

It is an arithmetic number, because the mean of its divisors is an integer number (13394520).

Almost surely, 2^135953769 is an apocalyptic number.

It is an amenable number.

135953769 is a deficient number, since it is larger than the sum of its proper divisors (78358551).

135953769 is a wasteful number, since it uses less digits than its factorization.

135953769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223280.

The product of its digits is 765450, while the sum is 48.

The square root of 135953769 is about 11659.9214834406. The cubic root of 135953769 is about 514.1980404888.

The spelling of 135953769 in words is "one hundred thirty-five million, nine hundred fifty-three thousand, seven hundred sixty-nine".