135656353 has 6 divisors (see below), whose sum is σ = 157804386. Its totient is φ = 116276832.

The previous prime is 135656329. The next prime is 135656377. The reversal of 135656353 is 353656531.

It is an interprime number because it is at equal distance from previous prime (135656329) and next prime (135656377).

It can be written as a sum of positive squares in only one way, i.e., 119399329 + 16257024 = 10927^2 + 4032^2 .

It is not a de Polignac number, because 135656353 - 2²⁵ = 102101921 is a prime.

It is a super-2 number, since 2×135656353² = 36805292218521218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135656303) 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 5 ways as a sum of consecutive naturals, for example, 1384200 + ... + 1384297.

It is an arithmetic number, because the mean of its divisors is an integer number (26300731).

Almost surely, 2^135656353 is an apocalyptic number.

It is an amenable number.

135656353 is a deficient number, since it is larger than the sum of its proper divisors (22148033).

135656353 is an equidigital number, since it uses as much as digits as its factorization.

135656353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768511 (or 2768504 counting only the distinct ones).

The product of its digits is 121500, while the sum is 37.

The square root of 135656353 is about 11647.1607269755. The cubic root of 135656353 is about 513.8228090660.

The spelling of 135656353 in words is "one hundred thirty-five million, six hundred fifty-six thousand, three hundred fifty-three".