64134227 has 2 divisors, whose sum is σ = 64134228. Its totient is φ = 64134226.

The previous prime is 64134193. The next prime is 64134233. The reversal of 64134227 is 72243146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64134227 is a prime.

It is a super-2 number, since 2×64134227² = 8226398145775058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64134227.

It is not a weakly prime, because it can be changed into another prime (64134247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32067113 + 32067114.

It is an arithmetic number, because the mean of its divisors is an integer number (32067114).

Almost surely, 2^64134227 is an apocalyptic number.

64134227 is a deficient number, since it is larger than the sum of its proper divisors (1).

64134227 is an equidigital number, since it uses as much as digits as its factorization.

64134227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 64134227 is about 8008.3847934524. The cubic root of 64134227 is about 400.2794443151.

The spelling of 64134227 in words is "sixty-four million, one hundred thirty-four thousand, two hundred twenty-seven".