133125299 has 4 divisors (see below), whose sum is σ = 135381720. Its totient is φ = 130868880.

The previous prime is 133125259. The next prime is 133125359. The reversal of 133125299 is 992521331.

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-133125299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133125259) 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, 1128122 + ... + 1128239.

It is an arithmetic number, because the mean of its divisors is an integer number (33845430).

Almost surely, 2^133125299 is an apocalyptic number.

133125299 is a deficient number, since it is larger than the sum of its proper divisors (2256421).

133125299 is an equidigital number, since it uses as much as digits as its factorization.

133125299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256420.

The product of its digits is 14580, while the sum is 35.

The square root of 133125299 is about 11537.9937164136. The cubic root of 133125299 is about 510.6071188370.

The spelling of 133125299 in words is "one hundred thirty-three million, one hundred twenty-five thousand, two hundred ninety-nine".