133415275 has 12 divisors (see below), whose sum is σ = 189068752. Its totient is φ = 91484640.

The previous prime is 133415273. The next prime is 133415299. The reversal of 133415275 is 572514331.

It is a happy number.

It is not a de Polignac number, because 133415275 - 2¹ = 133415273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133415273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381012 + ... + 381361.

Almost surely, 2^133415275 is an apocalyptic number.

133415275 is a deficient number, since it is larger than the sum of its proper divisors (55653477).

133415275 is an equidigital number, since it uses as much as digits as its factorization.

133415275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762390 (or 762385 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 133415275 is about 11550.5530170637. The cubic root of 133415275 is about 510.9775879509.

The spelling of 133415275 in words is "one hundred thirty-three million, four hundred fifteen thousand, two hundred seventy-five".