133764432 has 40 divisors (see below), whose sum is σ = 365887296. Its totient is φ = 41965056.

The previous prime is 133764431. The next prime is 133764457. The reversal of 133764432 is 234467331.

It is a junction number, because it is equal to n+sod(n) for n = 133764393 and 133764402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133764431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81148 + ... + 82779.

Almost surely, 2^133764432 is an apocalyptic number.

133764432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133764432 is an abundant number, since it is smaller than the sum of its proper divisors (232122864).

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

133764432 is a wasteful number, since it uses less digits than its factorization.

133764432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163955 (or 163949 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 133764432 is about 11565.6574391601. The cubic root of 133764432 is about 511.4229542186.

The spelling of 133764432 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, four hundred thirty-two".