135698253 has 16 divisors (see below), whose sum is σ = 189407232. Its totient is φ = 86310000.

The previous prime is 135698243. The next prime is 135698257. The reversal of 135698253 is 352896531.

It is not a de Polignac number, because 135698253 - 2⁸ = 135697997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135698257) 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 15 ways as a sum of consecutive naturals, for example, 3673 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (11837952).

Almost surely, 2^135698253 is an apocalyptic number.

It is an amenable number.

135698253 is a deficient number, since it is larger than the sum of its proper divisors (53708979).

135698253 is a wasteful number, since it uses less digits than its factorization.

135698253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20656.

The product of its digits is 194400, while the sum is 42.

The square root of 135698253 is about 11648.9593097409. The cubic root of 135698253 is about 513.8757048796.

The spelling of 135698253 in words is "one hundred thirty-five million, six hundred ninety-eight thousand, two hundred fifty-three".