64406135 has 8 divisors (see below), whose sum is σ = 77715456. Its totient is φ = 51239520.

The previous prime is 64406119. The next prime is 64406137. The reversal of 64406135 is 53160446.

It is a happy number.

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

It is not a de Polignac number, because 64406135 - 2⁴ = 64406119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64406098 and 64406107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64406137) 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, 34679 + ... + 36488.

It is an arithmetic number, because the mean of its divisors is an integer number (9714432).

Almost surely, 2^64406135 is an apocalyptic number.

64406135 is a deficient number, since it is larger than the sum of its proper divisors (13309321).

64406135 is a wasteful number, since it uses less digits than its factorization.

64406135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71353.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 64406135 is about 8025.3432948379. The cubic root of 64406135 is about 400.8443310919.

The spelling of 64406135 in words is "sixty-four million, four hundred six thousand, one hundred thirty-five".