64534132 has 24 divisors (see below), whose sum is σ = 123443936. Its totient is φ = 29338848.

The previous prime is 64534111. The next prime is 64534147. The reversal of 64534132 is 23143546.

It is a self number, because there is not a number n which added to its sum of digits gives 64534132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5778 + ... + 12745.

Almost surely, 2^64534132 is an apocalyptic number.

It is an amenable number.

64534132 is a deficient number, since it is larger than the sum of its proper divisors (58909804).

64534132 is a wasteful number, since it uses less digits than its factorization.

64534132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607 (or 18605 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 64534132 is about 8033.3138865601. The cubic root of 64534132 is about 401.1096936034.

Adding to 64534132 its reverse (23143546), we get a palindrome (87677678).

It can be divided in two parts, 6453 and 4132, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 64534132 in words is "sixty-four million, five hundred thirty-four thousand, one hundred thirty-two".