135375218841 has 4 divisors (see below), whose sum is σ = 180500291792. Its totient is φ = 90250145892.

The previous prime is 135375218837. The next prime is 135375218857. The reversal of 135375218841 is 148812573531.

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.

It is not a de Polignac number, because 135375218841 - 2² = 135375218837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135375218441) 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, 22562536471 + ... + 22562536476.

It is an arithmetic number, because the mean of its divisors is an integer number (45125072948).

Almost surely, 2^135375218841 is an apocalyptic number.

It is an amenable number.

135375218841 is a deficient number, since it is larger than the sum of its proper divisors (45125072951).

135375218841 is an equidigital number, since it uses as much as digits as its factorization.

135375218841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45125072950.

The product of its digits is 806400, while the sum is 48.

The spelling of 135375218841 in words is "one hundred thirty-five billion, three hundred seventy-five million, two hundred eighteen thousand, eight hundred forty-one".