135435653 has 4 divisors (see below), whose sum is σ = 135482880. Its totient is φ = 135388428.

The previous prime is 135435631. The next prime is 135435679. The reversal of 135435653 is 356534531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356534531 = 109 ⋅3270959.

It is a cyclic number.

It is not a de Polignac number, because 135435653 - 2¹² = 135431557 is a prime.

It is a super-2 number, since 2×135435653² = 36685632207072818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135435353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19013 + ... + 25146.

It is an arithmetic number, because the mean of its divisors is an integer number (33870720).

Almost surely, 2^135435653 is an apocalyptic number.

It is an amenable number.

135435653 is a deficient number, since it is larger than the sum of its proper divisors (47227).

135435653 is an equidigital number, since it uses as much as digits as its factorization.

135435653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47226.

The product of its digits is 81000, while the sum is 35.

The square root of 135435653 is about 11637.6824582904. The cubic root of 135435653 is about 513.5440108515.

The spelling of 135435653 in words is "one hundred thirty-five million, four hundred thirty-five thousand, six hundred fifty-three".