8740139 has 2 divisors, whose sum is σ = 8740140. Its totient is φ = 8740138.

The previous prime is 8740129. The next prime is 8740157. The reversal of 8740139 is 9310478.

8740139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8740139 - 2⁸ = 8739883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8740129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4370069 + 4370070.

It is an arithmetic number, because the mean of its divisors is an integer number (4370070).

Almost surely, 2^8740139 is an apocalyptic number.

8740139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8740139 is an equidigital number, since it uses as much as digits as its factorization.

8740139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 8740139 is about 2956.3726084511. The cubic root of 8740139 is about 205.9868263797.

The spelling of 8740139 in words is "eight million, seven hundred forty thousand, one hundred thirty-nine".