133136164 has 12 divisors (see below), whose sum is σ = 266272384. Its totient is φ = 57058344.

The previous prime is 133136153. The next prime is 133136177. The reversal of 133136164 is 461631331.

133136164 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4754863 = 133136164 / (1 + 3 + 3 + 1 + 3 + 6 + 1 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377404 + ... + 2377459.

Almost surely, 2^133136164 is an apocalyptic number.

133136164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133136164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133136164 is a wasteful number, since it uses less digits than its factorization.

133136164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754874 (or 4754872 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 133136164 is about 11538.4645425637. The cubic root of 133136164 is about 510.6210094986.

Adding to 133136164 its reverse (461631331), we get a palindrome (594767495).

The spelling of 133136164 in words is "one hundred thirty-three million, one hundred thirty-six thousand, one hundred sixty-four".