133634250140623 has 4 divisors (see below), whose sum is σ = 133638142019040. Its totient is φ = 133630358262208.

The previous prime is 133634250140543. The next prime is 133634250140627. The reversal of 133634250140623 is 326041052436331.

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

It is a cyclic number.

It is not a de Polignac number, because 133634250140623 - 2¹⁷ = 133634250009551 is a prime.

It is a super-2 number, since 2×133634250140623² (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 133634250140623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133634250140627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945887703 + ... + 1945956376.

It is an arithmetic number, because the mean of its divisors is an integer number (33409535504760).

Almost surely, 2^{133634250140623} is an apocalyptic number.

133634250140623 is a deficient number, since it is larger than the sum of its proper divisors (3891878417).

133634250140623 is an equidigital number, since it uses as much as digits as its factorization.

133634250140623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891878416.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 133634250140623 in words is "one hundred thirty-three trillion, six hundred thirty-four billion, two hundred fifty million, one hundred forty thousand, six hundred twenty-three".