133253637338063 has 4 divisors (see below), whose sum is σ = 145367604368808. Its totient is φ = 121139670307320.

The previous prime is 133253637338047. The next prime is 133253637338137. The reversal of 133253637338063 is 360833736352331.

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 133253637338063 - 2⁴ = 133253637338047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133253637334063) 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, 6056983515356 + ... + 6056983515377.

It is an arithmetic number, because the mean of its divisors is an integer number (36341901092202).

Almost surely, 2^{133253637338063} is an apocalyptic number.

133253637338063 is a deficient number, since it is larger than the sum of its proper divisors (12113967030745).

133253637338063 is a wasteful number, since it uses less digits than its factorization.

133253637338063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113967030744.

The product of its (nonzero) digits is 44089920, while the sum is 56.

The spelling of 133253637338063 in words is "one hundred thirty-three trillion, two hundred fifty-three billion, six hundred thirty-seven million, three hundred thirty-eight thousand, sixty-three".