1064115139 has 4 divisors (see below), whose sum is σ = 1068762160. Its totient is φ = 1059468120.

The previous prime is 1064115113. The next prime is 1064115163. The reversal of 1064115139 is 9315114601.

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

It is a cyclic number.

It is not a de Polignac number, because 1064115139 - 2¹¹ = 1064113091 is a prime.

It is a super-2 number, since 2×1064115139² = 2264682058097978642, 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 1064115139.

It is not an unprimeable number, because it can be changed into a prime (1064115839) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2323167 + ... + 2323624.

It is an arithmetic number, because the mean of its divisors is an integer number (267190540).

Almost surely, 2^1064115139 is an apocalyptic number.

1064115139 is a deficient number, since it is larger than the sum of its proper divisors (4647021).

1064115139 is an equidigital number, since it uses as much as digits as its factorization.

1064115139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647020.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1064115139 is about 32620.7777191164. Note that the first 4 decimals coincide. The cubic root of 1064115139 is about 1020.9305678480.

The spelling of 1064115139 in words is "one billion, sixty-four million, one hundred fifteen thousand, one hundred thirty-nine".