64132534 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 29048448.

The previous prime is 64132531. The next prime is 64132567. The reversal of 64132534 is 43523146.

It is a super-2 number, since 2×64132534² = 8225963834522312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64132531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106767 + ... + 107365.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^64132534 is an apocalyptic number.

64132534 is a deficient number, since it is larger than the sum of its proper divisors (41621066).

64132534 is a wasteful number, since it uses less digits than its factorization.

64132534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

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

The square root of 64132534 is about 8008.2790910407. The cubic root of 64132534 is about 400.2759221237.

The spelling of 64132534 in words is "sixty-four million, one hundred thirty-two thousand, five hundred thirty-four".