135554525031 has 4 divisors (see below), whose sum is σ = 180739366712. Its totient is φ = 90369683352.

The previous prime is 135554525017. The next prime is 135554525033. The reversal of 135554525031 is 130525455531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135554525031 - 2⁵ = 135554524999 is a prime.

It is a super-2 number, since 2×135554525031² (a number of 23 digits) 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 (135554525033) 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, 22592420836 + ... + 22592420841.

It is an arithmetic number, because the mean of its divisors is an integer number (45184841678).

Almost surely, 2^135554525031 is an apocalyptic number.

135554525031 is a deficient number, since it is larger than the sum of its proper divisors (45184841681).

135554525031 is an equidigital number, since it uses as much as digits as its factorization.

135554525031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45184841680.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 135554525031 in words is "one hundred thirty-five billion, five hundred fifty-four million, five hundred twenty-five thousand, thirty-one".