1003564139 has 2 divisors, whose sum is σ = 1003564140. Its totient is φ = 1003564138.

The previous prime is 1003564127. The next prime is 1003564141. The reversal of 1003564139 is 9314653001.

It is a strong prime.

It is an emirp because it is prime and its reverse (9314653001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003564139 - 2¹⁶ = 1003498603 is a prime.

It is a super-2 number, since 2×1003564139² = 2014281962173622642, which contains 22 as substring.

Together with 1003564141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1003564739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501782069 + 501782070.

It is an arithmetic number, because the mean of its divisors is an integer number (501782070).

Almost surely, 2^1003564139 is an apocalyptic number.

1003564139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003564139 is an equidigital number, since it uses as much as digits as its factorization.

1003564139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1003564139 is about 31679.0804632963. The cubic root of 1003564139 is about 1001.1866376674.

The spelling of 1003564139 in words is "one billion, three million, five hundred sixty-four thousand, one hundred thirty-nine".