133201130320 has 40 divisors (see below), whose sum is σ = 309728825640. Its totient is φ = 53274224640.

The previous prime is 133201130317. The next prime is 133201130327. The reversal of 133201130320 is 23031102331.

It can be written as a sum of positive squares in 4 ways, for example, as 46948488976 + 86252641344 = 216676^2 + 293688^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×133201130320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201130327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624700 + ... + 810340.

It is an arithmetic number, because the mean of its divisors is an integer number (7743220641).

Almost surely, 2^133201130320 is an apocalyptic number.

133201130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133201130320 is an abundant number, since it is smaller than the sum of its proper divisors (176527695320).

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

133201130320 is a wasteful number, since it uses less digits than its factorization.

133201130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194623 (or 194617 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133201130320 its reverse (23031102331), we get a palindrome (156232232651).

The spelling of 133201130320 in words is "one hundred thirty-three billion, two hundred one million, one hundred thirty thousand, three hundred twenty".