133101330 has 32 divisors (see below), whose sum is σ = 338235264. Its totient is φ = 33405696.

The previous prime is 133101323. The next prime is 133101337. The reversal of 133101330 is 33101331.

It is an interprime number because it is at equal distance from previous prime (133101323) and next prime (133101337).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (133101337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129982 + ... + 131001.

It is an arithmetic number, because the mean of its divisors is an integer number (10569852).

Almost surely, 2^133101330 is an apocalyptic number.

133101330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133101330 is an abundant number, since it is smaller than the sum of its proper divisors (205133934).

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

133101330 is a wasteful number, since it uses less digits than its factorization.

133101330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261010.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133101330 is about 11536.9549708751. The cubic root of 133101330 is about 510.5764723290.

Adding to 133101330 its reverse (33101331), we get a palindrome (166202661).

Subtracting from 133101330 its reverse (33101331), we obtain a palindrome (99999999).

The spelling of 133101330 in words is "one hundred thirty-three million, one hundred one thousand, three hundred thirty".