133642486583 has 4 divisors (see below), whose sum is σ = 133643505528. Its totient is φ = 133641467640.

The previous prime is 133642486477. The next prime is 133642486591. The reversal of 133642486583 is 385684246331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 385684246331 = 31 ⋅12441427301.

It is a cyclic number.

It is not a de Polignac number, because 133642486583 - 2¹⁸ = 133642224439 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 (133642486183) 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, 277541 + ... + 586782.

It is an arithmetic number, because the mean of its divisors is an integer number (33410876382).

Almost surely, 2^133642486583 is an apocalyptic number.

133642486583 is a deficient number, since it is larger than the sum of its proper divisors (1018945).

133642486583 is an equidigital number, since it uses as much as digits as its factorization.

133642486583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018944.

The product of its digits is 9953280, while the sum is 53.

The spelling of 133642486583 in words is "one hundred thirty-three billion, six hundred forty-two million, four hundred eighty-six thousand, five hundred eighty-three".