133634832 has 20 divisors (see below), whose sum is σ = 345223440. Its totient is φ = 44544928.

The previous prime is 133634821. The next prime is 133634833. The reversal of 133634832 is 238436331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133634793 and 133634802.

It is not an unprimeable number, because it can be changed into a prime (133634833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391982 + ... + 1392077.

It is an arithmetic number, because the mean of its divisors is an integer number (17261172).

Almost surely, 2^133634832 is an apocalyptic number.

133634832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133634832 is an abundant number, since it is smaller than the sum of its proper divisors (211588608).

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

133634832 is a wasteful number, since it uses less digits than its factorization.

133634832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784070 (or 2784064 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 133634832 is about 11560.0532870744. The cubic root of 133634832 is about 511.2577338357.

The spelling of 133634832 in words is "one hundred thirty-three million, six hundred thirty-four thousand, eight hundred thirty-two".