133185531184215 has 16 divisors (see below), whose sum is σ = 213883185140736. Its totient is φ = 70770171549600.

The previous prime is 133185531184169. The next prime is 133185531184283. The reversal of 133185531184215 is 512481135581331.

It is not a de Polignac number, because 133185531184215 - 2⁹ = 133185531183703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16381980091 + ... + 16381988220.

It is an arithmetic number, because the mean of its divisors is an integer number (13367699071296).

Almost surely, 2^{133185531184215} is an apocalyptic number.

133185531184215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133185531184215 is a deficient number, since it is larger than the sum of its proper divisors (80697653956521).

133185531184215 is a wasteful number, since it uses less digits than its factorization.

133185531184215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32763968590.

The product of its digits is 1728000, while the sum is 51.

The spelling of 133185531184215 in words is "one hundred thirty-three trillion, one hundred eighty-five billion, five hundred thirty-one million, one hundred eighty-four thousand, two hundred fifteen".