133613364 has 24 divisors (see below), whose sum is σ = 320191648. Its totient is φ = 43333920.

The previous prime is 133613309. The next prime is 133613369. The reversal of 133613364 is 463316331.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133613369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150022 + ... + 150909.

Almost surely, 2^133613364 is an apocalyptic number.

It is an amenable number.

133613364 is an abundant number, since it is smaller than the sum of its proper divisors (186578284).

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

133613364 is a wasteful number, since it uses less digits than its factorization.

133613364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300975 (or 300973 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

The square root of 133613364 is about 11559.1247073470. The cubic root of 133613364 is about 511.2303550736.

Adding to 133613364 its reverse (463316331), we get a palindrome (596929695).

The spelling of 133613364 in words is "one hundred thirty-three million, six hundred thirteen thousand, three hundred sixty-four".