133589088431 has 4 divisors (see below), whose sum is σ = 133612122864. Its totient is φ = 133566054000.

The previous prime is 133589088421. The next prime is 133589088433. The reversal of 133589088431 is 134880985331.

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-133589088431 is a prime.

It is a super-2 number, since 2×133589088431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133589088433) 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, 11508515 + ... + 11520116.

It is an arithmetic number, because the mean of its divisors is an integer number (33403030716).

Almost surely, 2^133589088431 is an apocalyptic number.

133589088431 is a deficient number, since it is larger than the sum of its proper divisors (23034433).

133589088431 is an equidigital number, since it uses as much as digits as its factorization.

133589088431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23034432.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 133589088431 in words is "one hundred thirty-three billion, five hundred eighty-nine million, eighty-eight thousand, four hundred thirty-one".