133607883 has 4 divisors (see below), whose sum is σ = 178143848. Its totient is φ = 89071920.

The previous prime is 133607863. The next prime is 133607891. The reversal of 133607883 is 388706331.

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

It is not a de Polignac number, because 133607883 - 2⁸ = 133607627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133607813) 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, 22267978 + ... + 22267983.

It is an arithmetic number, because the mean of its divisors is an integer number (44535962).

Almost surely, 2^133607883 is an apocalyptic number.

133607883 is a deficient number, since it is larger than the sum of its proper divisors (44535965).

133607883 is an equidigital number, since it uses as much as digits as its factorization.

133607883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44535964.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 133607883 is about 11558.8876194900. The cubic root of 133607883 is about 511.2233645256.

The spelling of 133607883 in words is "one hundred thirty-three million, six hundred seven thousand, eight hundred eighty-three".