135452254531 has 12 divisors (see below), whose sum is σ = 149243735592. Its totient is φ = 121919120000.

The previous prime is 135452254517. The next prime is 135452254573.

135452254531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135452254531 - 2⁷ = 135452254403 is a prime.

It is a super-2 number, since 2×135452254531² (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 (135452254031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491350 + ... + 715771.

It is an arithmetic number, because the mean of its divisors is an integer number (12436977966).

Almost surely, 2^135452254531 is an apocalyptic number.

135452254531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135452254531 is a deficient number, since it is larger than the sum of its proper divisors (13791481061).

135452254531 is a wasteful number, since it uses less digits than its factorization.

135452254531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207334 (or 1207233 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 135452 and 254531, that added together give a palindrome (389983).

The spelling of 135452254531 in words is "one hundred thirty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, five hundred thirty-one".