133101100 has 36 divisors (see below), whose sum is σ = 315089208. Its totient is φ = 48400000.

The previous prime is 133101083. The next prime is 133101103. The reversal of 133101100 is 1101331.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (133101103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59401 + ... + 61600.

It is an arithmetic number, because the mean of its divisors is an integer number (8752478).

Almost surely, 2^133101100 is an apocalyptic number.

133101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133101100 is an abundant number, since it is smaller than the sum of its proper divisors (181988108).

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

133101100 is a wasteful number, since it uses less digits than its factorization.

133101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121026 (or 121019 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 133101100 is about 11536.9450029026. The cubic root of 133101100 is about 510.5761782356.

Adding to 133101100 its reverse (1101331), we get a palindrome (134202431).

The spelling of 133101100 in words is "one hundred thirty-three million, one hundred one thousand, one hundred".