64500132 has 12 divisors (see below), whose sum is σ = 150500336. Its totient is φ = 21500040.

The previous prime is 64500097. The next prime is 64500143. The reversal of 64500132 is 23100546.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 64500099 and 64500108.

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, 2687494 + ... + 2687517.

Almost surely, 2^64500132 is an apocalyptic number.

It is an amenable number.

64500132 is an abundant number, since it is smaller than the sum of its proper divisors (86000204).

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

64500132 is a wasteful number, since it uses less digits than its factorization.

64500132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375018 (or 5375016 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 64500132 is about 8031.1974200613. The cubic root of 64500132 is about 401.0392392826.

Adding to 64500132 its reverse (23100546), we get a palindrome (87600678).

The spelling of 64500132 in words is "sixty-four million, five hundred thousand, one hundred thirty-two".