1064138066 has 4 divisors (see below), whose sum is σ = 1596207102. Its totient is φ = 532069032.

The previous prime is 1064138057. The next prime is 1064138083. The reversal of 1064138066 is 6608314601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 675220225 + 388917841 = 25985^2 + 19721^2 .

It is a super-2 number, since 2×1064138066² = 2264779647020440712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266034515 + ... + 266034518.

Almost surely, 2^1064138066 is an apocalyptic number.

1064138066 is a deficient number, since it is larger than the sum of its proper divisors (532069036).

1064138066 is an equidigital number, since it uses as much as digits as its factorization.

1064138066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532069035.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1064138066 is about 32621.1291343509. The cubic root of 1064138066 is about 1020.9378999828.

The spelling of 1064138066 in words is "one billion, sixty-four million, one hundred thirty-eight thousand, sixty-six".