133641626146331 has 4 divisors (see below), whose sum is σ = 133777578971472. Its totient is φ = 133505673321192.

The previous prime is 133641626146321. The next prime is 133641626146337.

133641626146331 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133641626146331 is a prime.

It is a super-2 number, since 2×133641626146331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133641626146331.

It is not an unprimeable number, because it can be changed into a prime (133641626146337) 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, 67976411096 + ... + 67976413061.

It is an arithmetic number, because the mean of its divisors is an integer number (33444394742868).

Almost surely, 2^{133641626146331} is an apocalyptic number.

133641626146331 is a deficient number, since it is larger than the sum of its proper divisors (135952825141).

133641626146331 is an equidigital number, since it uses as much as digits as its factorization.

133641626146331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135952825140.

The product of its digits is 3359232, while the sum is 50.

The spelling of 133641626146331 in words is "one hundred thirty-three trillion, six hundred forty-one billion, six hundred twenty-six million, one hundred forty-six thousand, three hundred thirty-one".