133101660 has 24 divisors (see below), whose sum is σ = 372684816. Its totient is φ = 35493760.

The previous prime is 133101659. The next prime is 133101673. The reversal of 133101660 is 66101331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109121 + ... + 1109240.

It is an arithmetic number, because the mean of its divisors is an integer number (15528534).

Almost surely, 2^133101660 is an apocalyptic number.

133101660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133101660 is an abundant number, since it is smaller than the sum of its proper divisors (239583156).

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

133101660 is a wasteful number, since it uses less digits than its factorization.

133101660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218373 (or 2218371 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 133101660 is about 11536.9692727336. The cubic root of 133101660 is about 510.5768942884.

Adding to 133101660 its reverse (66101331), we get a palindrome (199202991).

The spelling of 133101660 in words is "one hundred thirty-three million, one hundred one thousand, six hundred sixty".