8737139 has 2 divisors, whose sum is σ = 8737140. Its totient is φ = 8737138.

The previous prime is 8737129. The next prime is 8737153. The reversal of 8737139 is 9317378.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8737139 - 2⁸ = 8736883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8737129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4368569 + 4368570.

It is an arithmetic number, because the mean of its divisors is an integer number (4368570).

Almost surely, 2^8737139 is an apocalyptic number.

8737139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8737139 is an equidigital number, since it uses as much as digits as its factorization.

8737139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 8737139 is about 2955.8651863710. The cubic root of 8737139 is about 205.9632557708.

The spelling of 8737139 in words is "eight million, seven hundred thirty-seven thousand, one hundred thirty-nine".