135253352531 has 8 divisors (see below), whose sum is σ = 147591419328. Its totient is φ = 122922337000.

The previous prime is 135253352497. The next prime is 135253352567.

135253352531 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135253352531 - 2¹⁰ = 135253351507 is a prime.

It is a super-2 number, since 2×135253352531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135253358531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722665 + ... + 1799466.

It is an arithmetic number, because the mean of its divisors is an integer number (18448927416).

Almost surely, 2^135253352531 is an apocalyptic number.

135253352531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135253352531 is a deficient number, since it is larger than the sum of its proper divisors (12338066797).

135253352531 is a wasteful number, since it uses less digits than its factorization.

135253352531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525633.

The product of its digits is 202500, while the sum is 38.

It can be divided in two parts, 135253 and 352531, that added together give a palindrome (487784).

The spelling of 135253352531 in words is "one hundred thirty-five billion, two hundred fifty-three million, three hundred fifty-two thousand, five hundred thirty-one".