133519915583 has 16 divisors (see below), whose sum is σ = 139574071296. Its totient is φ = 127486756320.

The previous prime is 133519915511. The next prime is 133519915591. The reversal of 133519915583 is 385519915331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133519915583 - 2³⁴ = 116340046399 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 (133519912583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56076053 + ... + 56078433.

It is an arithmetic number, because the mean of its divisors is an integer number (8723379456).

Almost surely, 2^133519915583 is an apocalyptic number.

133519915583 is a deficient number, since it is larger than the sum of its proper divisors (6054155713).

133519915583 is a wasteful number, since it uses less digits than its factorization.

133519915583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734.

The product of its digits is 2187000, while the sum is 53.

The spelling of 133519915583 in words is "one hundred thirty-three billion, five hundred nineteen million, nine hundred fifteen thousand, five hundred eighty-three".