133498315 has 4 divisors (see below), whose sum is σ = 160197984. Its totient is φ = 106798648.

The previous prime is 133498289. The next prime is 133498357. The reversal of 133498315 is 513894331.

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 133498315 - 2⁹ = 133497803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13349827 + ... + 13349836.

It is an arithmetic number, because the mean of its divisors is an integer number (40049496).

Almost surely, 2^133498315 is an apocalyptic number.

133498315 is a deficient number, since it is larger than the sum of its proper divisors (26699669).

133498315 is an equidigital number, since it uses as much as digits as its factorization.

133498315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26699668.

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

The square root of 133498315 is about 11554.1470909799. The cubic root of 133498315 is about 511.0835797587.

The spelling of 133498315 in words is "one hundred thirty-three million, four hundred ninety-eight thousand, three hundred fifteen".