135353653431 has 4 divisors (see below), whose sum is σ = 180471537912. Its totient is φ = 90235768952.

The previous prime is 135353653429. The next prime is 135353653441. The reversal of 135353653431 is 134356353531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134356353531 = 3 ⋅44785451177.

It is a cyclic number.

It is not a de Polignac number, because 135353653431 - 2¹ = 135353653429 is a prime.

It is a super-2 number, since 2×135353653431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135353653441) 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, 22558942236 + ... + 22558942241.

It is an arithmetic number, because the mean of its divisors is an integer number (45117884478).

Almost surely, 2^135353653431 is an apocalyptic number.

135353653431 is a deficient number, since it is larger than the sum of its proper divisors (45117884481).

135353653431 is an equidigital number, since it uses as much as digits as its factorization.

135353653431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45117884480.

The product of its digits is 729000, while the sum is 42.

The spelling of 135353653431 in words is "one hundred thirty-five billion, three hundred fifty-three million, six hundred fifty-three thousand, four hundred thirty-one".