133915227 has 8 divisors (see below), whose sum is σ = 178607616. Its totient is φ = 89249832.

The previous prime is 133915219. The next prime is 133915231. The reversal of 133915227 is 722519331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133915227 - 2³ = 133915219 is a prime.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (133915297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13578 + ... + 21264.

It is an arithmetic number, because the mean of its divisors is an integer number (22325952).

Almost surely, 2^133915227 is an apocalyptic number.

133915227 is a deficient number, since it is larger than the sum of its proper divisors (44692389).

133915227 is an equidigital number, since it uses as much as digits as its factorization.

133915227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497.

The product of its digits is 11340, while the sum is 33.

The square root of 133915227 is about 11572.1746875857. The cubic root of 133915227 is about 511.6150607494.

The spelling of 133915227 in words is "one hundred thirty-three million, nine hundred fifteen thousand, two hundred twenty-seven".