64135206 has 16 divisors (see below), whose sum is σ = 142522800. Its totient is φ = 21378384.

The previous prime is 64135199. The next prime is 64135207. The reversal of 64135206 is 60253146.

It is a super-2 number, since 2×64135206² = 8226649297324872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 64135206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64135207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593791 + ... + 593898.

It is an arithmetic number, because the mean of its divisors is an integer number (8907675).

Almost surely, 2^64135206 is an apocalyptic number.

64135206 is an abundant number, since it is smaller than the sum of its proper divisors (78387594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64135206 is a wasteful number, since it uses less digits than its factorization.

64135206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187700 (or 1187694 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 64135206 is about 8008.4459166557. The cubic root of 64135206 is about 400.2814810413.

The spelling of 64135206 in words is "sixty-four million, one hundred thirty-five thousand, two hundred six".