133115202 has 96 divisors (see below), whose sum is σ = 338442624. Its totient is φ = 37363200.

The previous prime is 133115201. The next prime is 133115221. The reversal of 133115202 is 202511331.

133115202 is a `hidden beast` number, since 133 + 11 + 520 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133115201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238708 + ... + 239264.

It is an arithmetic number, because the mean of its divisors is an integer number (3525444).

Almost surely, 2^133115202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133115202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169221312).

133115202 is an abundant number, since it is smaller than the sum of its proper divisors (205327422).

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

133115202 is a wasteful number, since it uses less digits than its factorization.

133115202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 133115202 is about 11537.5561537095. The cubic root of 133115202 is about 510.5942093688.

Adding to 133115202 its reverse (202511331), we get a palindrome (335626533).

The spelling of 133115202 in words is "one hundred thirty-three million, one hundred fifteen thousand, two hundred two".