133185225096690 has 48 divisors (see below), whose sum is σ = 346123969613568. Its totient is φ = 32784055407168.

The previous prime is 133185225096689. The next prime is 133185225096701. The reversal of 133185225096690 is 96690522581331.

It is a happy number.

It is a super-2 number, since 2×133185225096690² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13134632514 + ... + 13134642653.

It is an arithmetic number, because the mean of its divisors is an integer number (7210916033616).

Almost surely, 2^{133185225096690} is an apocalyptic number.

133185225096690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133185225096690 is an abundant number, since it is smaller than the sum of its proper divisors (212938744516878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133185225096690 is a wasteful number, since it uses less digits than its factorization.

133185225096690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26269275203 (or 26269275190 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 133185225096690 in words is "one hundred thirty-three trillion, one hundred eighty-five billion, two hundred twenty-five million, ninety-six thousand, six hundred ninety".