64134205 has 8 divisors (see below), whose sum is σ = 77033304. Its totient is φ = 51259200.

The previous prime is 64134193. The next prime is 64134227. The reversal of 64134205 is 50243146.

It can be written as a sum of positive squares in 4 ways, for example, as 15539364 + 48594841 = 3942^2 + 6971^2 .

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

It is not a de Polignac number, because 64134205 - 2²³ = 55745597 is a prime.

It is a super-2 number, since 2×64134205² = 8226392501964050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64134205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 11335.

It is an arithmetic number, because the mean of its divisors is an integer number (9629163).

Almost surely, 2^64134205 is an apocalyptic number.

It is an amenable number.

64134205 is a deficient number, since it is larger than the sum of its proper divisors (12899099).

64134205 is a wasteful number, since it uses less digits than its factorization.

64134205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12047.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64134205 is about 8008.3834198919. The cubic root of 64134205 is about 400.2793985457.

The spelling of 64134205 in words is "sixty-four million, one hundred thirty-four thousand, two hundred five".