133764532 has 18 divisors (see below), whose sum is σ = 257304194. Its totient is φ = 60801840.

The previous prime is 133764469. The next prime is 133764539. The reversal of 133764532 is 235467331.

It can be written as a sum of positive squares in only one way, i.e., 114789796 + 18974736 = 10714^2 + 4356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133764539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137703 + ... + 138670.

Almost surely, 2^133764532 is an apocalyptic number.

It is an amenable number.

133764532 is a deficient number, since it is larger than the sum of its proper divisors (123539662).

133764532 is a wasteful number, since it uses less digits than its factorization.

133764532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276399 (or 276386 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 133764532 is about 11565.6617623031. The cubic root of 133764532 is about 511.4230816623.

The spelling of 133764532 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, five hundred thirty-two".