133980196 has 48 divisors (see below), whose sum is σ = 285538176. Its totient is φ = 53697024.

The previous prime is 133980181. The next prime is 133980241. The reversal of 133980196 is 691089331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81535 + ... + 83161.

It is an arithmetic number, because the mean of its divisors is an integer number (5948712).

Almost surely, 2^133980196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133980196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142769088).

133980196 is an abundant number, since it is smaller than the sum of its proper divisors (151557980).

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

133980196 is a wasteful number, since it uses less digits than its factorization.

133980196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 133980196 is about 11574.9814686677. The cubic root of 133980196 is about 511.6977840905.

The spelling of 133980196 in words is "one hundred thirty-three million, nine hundred eighty thousand, one hundred ninety-six".