64212135 has 16 divisors (see below), whose sum is σ = 110642784. Its totient is φ = 31612032.

The previous prime is 64212121. The next prime is 64212143. The reversal of 64212135 is 53121246.

It is not a de Polignac number, because 64212135 - 2⁷ = 64212007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164452 + ... + 164841.

It is an arithmetic number, because the mean of its divisors is an integer number (6915174).

Almost surely, 2^64212135 is an apocalyptic number.

64212135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64212135 is a deficient number, since it is larger than the sum of its proper divisors (46430649).

64212135 is a wasteful number, since it uses less digits than its factorization.

64212135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329314.

The product of its digits is 1440, while the sum is 24.

The square root of 64212135 is about 8013.2474690353. The cubic root of 64212135 is about 400.4414605190.

The spelling of 64212135 in words is "sixty-four million, two hundred twelve thousand, one hundred thirty-five".