133641384 has 16 divisors (see below), whose sum is σ = 334103520. Its totient is φ = 44547120.

The previous prime is 133641379. The next prime is 133641397. The reversal of 133641384 is 483146331.

It is a super-3 number, since 3×133641384³ (a number of 25 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784172 + ... + 2784219.

It is an arithmetic number, because the mean of its divisors is an integer number (20881470).

Almost surely, 2^133641384 is an apocalyptic number.

It is an amenable number.

133641384 is an abundant number, since it is smaller than the sum of its proper divisors (200462136).

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

133641384 is a wasteful number, since it uses less digits than its factorization.

133641384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568400 (or 5568396 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 133641384 is about 11560.3366732981. The cubic root of 133641384 is about 511.2660892070.

The spelling of 133641384 in words is "one hundred thirty-three million, six hundred forty-one thousand, three hundred eighty-four".