133894315 has 8 divisors (see below), whose sum is σ = 164592288. Its totient is φ = 104502720.

The previous prime is 133894307. The next prime is 133894331. The reversal of 133894315 is 513498331.

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

It is not a de Polignac number, because 133894315 - 2³ = 133894307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326367 + ... + 326776.

It is an arithmetic number, because the mean of its divisors is an integer number (20574036).

Almost surely, 2^133894315 is an apocalyptic number.

133894315 is a deficient number, since it is larger than the sum of its proper divisors (30697973).

133894315 is an equidigital number, since it uses as much as digits as its factorization.

133894315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653189.

The product of its digits is 38880, while the sum is 37.

The square root of 133894315 is about 11571.2711056305. The cubic root of 133894315 is about 511.5884283508.

The spelling of 133894315 in words is "one hundred thirty-three million, eight hundred ninety-four thousand, three hundred fifteen".