133385883 has 4 divisors (see below), whose sum is σ = 177847848. Its totient is φ = 88923920.

The previous prime is 133385831. The next prime is 133385911. The reversal of 133385883 is 388583331.

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 133385883 - 2¹⁰ = 133384859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133375883) 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, 22230978 + ... + 22230983.

It is an arithmetic number, because the mean of its divisors is an integer number (44461962).

Almost surely, 2^133385883 is an apocalyptic number.

133385883 is a deficient number, since it is larger than the sum of its proper divisors (44461965).

133385883 is an equidigital number, since it uses as much as digits as its factorization.

133385883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44461964.

The product of its digits is 207360, while the sum is 42.

The square root of 133385883 is about 11549.2806269482. The cubic root of 133385883 is about 510.9400616224.

The spelling of 133385883 in words is "one hundred thirty-three million, three hundred eighty-five thousand, eight hundred eighty-three".