64043135 has 8 divisors (see below), whose sum is σ = 82763520. Its totient is φ = 47293344.

The previous prime is 64043113. The next prime is 64043137. The reversal of 64043135 is 53134046.

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

It is a cyclic number.

It is not a de Polignac number, because 64043135 - 2⁶ = 64043071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64043137) 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, 492575 + ... + 492704.

It is an arithmetic number, because the mean of its divisors is an integer number (10345440).

Almost surely, 2^64043135 is an apocalyptic number.

64043135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64043135 is a deficient number, since it is larger than the sum of its proper divisors (18720385).

64043135 is a wasteful number, since it uses less digits than its factorization.

64043135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985297.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64043135 is about 8002.6954833981. The cubic root of 64043135 is about 400.0898444018.

The spelling of 64043135 in words is "sixty-four million, forty-three thousand, one hundred thirty-five".