15139763 has 2 divisors, whose sum is σ = 15139764. Its totient is φ = 15139762.

The previous prime is 15139759. The next prime is 15139777. The reversal of 15139763 is 36793151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15139763 - 2² = 15139759 is a prime.

It is a Sophie Germain prime.

It is equal to p₉₇₉₁₅₄ and since 15139763 and 979154 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (15139703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7569881 + 7569882.

It is an arithmetic number, because the mean of its divisors is an integer number (7569882).

Almost surely, 2^15139763 is an apocalyptic number.

15139763 is a deficient number, since it is larger than the sum of its proper divisors (1).

15139763 is an equidigital number, since it uses as much as digits as its factorization.

15139763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 35.

The square root of 15139763 is about 3890.9848367733. The cubic root of 15139763 is about 247.3848078039.

The spelling of 15139763 in words is "fifteen million, one hundred thirty-nine thousand, seven hundred sixty-three".