133101512660 has 24 divisors (see below), whose sum is σ = 287067588360. Its totient is φ = 51801669504.

The previous prime is 133101512653. The next prime is 133101512669. The reversal of 133101512660 is 66215101331.

It can be written as a sum of positive squares in 4 ways, for example, as 85186929424 + 47914583236 = 291868^2 + 218894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101512669) 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, 89932715 + ... + 89934194.

It is an arithmetic number, because the mean of its divisors is an integer number (11961149515).

Almost surely, 2^133101512660 is an apocalyptic number.

133101512660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133101512660 is an abundant number, since it is smaller than the sum of its proper divisors (153966075700).

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

133101512660 is a wasteful number, since it uses less digits than its factorization.

133101512660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179866955 (or 179866953 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 133101512660 its reverse (66215101331), we get a palindrome (199316613991).

The spelling of 133101512660 in words is "one hundred thirty-three billion, one hundred one million, five hundred twelve thousand, six hundred sixty".