64132239 has 8 divisors (see below), whose sum is σ = 90010240. Its totient is φ = 40504536.

The previous prime is 64132231. The next prime is 64132247. The reversal of 64132239 is 93223146.

It is an interprime number because it is at equal distance from previous prime (64132231) and next prime (64132247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64132239 - 2³ = 64132231 is a prime.

It is a super-2 number, since 2×64132239² = 8225888158306242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64132231) 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, 562507 + ... + 562620.

It is an arithmetic number, because the mean of its divisors is an integer number (11251280).

Almost surely, 2^64132239 is an apocalyptic number.

64132239 is a deficient number, since it is larger than the sum of its proper divisors (25878001).

64132239 is a wasteful number, since it uses less digits than its factorization.

64132239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125149.

The product of its digits is 7776, while the sum is 30.

The square root of 64132239 is about 8008.2606725805. The cubic root of 64132239 is about 400.2753083864.

The spelling of 64132239 in words is "sixty-four million, one hundred thirty-two thousand, two hundred thirty-nine".