64434135 has 8 divisors (see below), whose sum is σ = 103094640. Its totient is φ = 34364864.

The previous prime is 64434121. The next prime is 64434157. The reversal of 64434135 is 53143446.

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 64434135 - 2⁹ = 64433623 is a prime.

It is a super-3 number, since 3×64434135³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147790 + ... + 2147819.

It is an arithmetic number, because the mean of its divisors is an integer number (12886830).

Almost surely, 2^64434135 is an apocalyptic number.

64434135 is a deficient number, since it is larger than the sum of its proper divisors (38660505).

64434135 is a wasteful number, since it uses less digits than its factorization.

64434135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295617.

The product of its digits is 17280, while the sum is 30.

The square root of 64434135 is about 8027.0875789417. The cubic root of 64434135 is about 400.9024105238.

The spelling of 64434135 in words is "sixty-four million, four hundred thirty-four thousand, one hundred thirty-five".