8537427139 has 2 divisors, whose sum is σ = 8537427140. Its totient is φ = 8537427138.

The previous prime is 8537427137. The next prime is 8537427179. The reversal of 8537427139 is 9317247358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8537427139 - 2¹ = 8537427137 is a prime.

Together with 8537427137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 8537427092 and 8537427101.

It is not a weakly prime, because it can be changed into another prime (8537427137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268713569 + 4268713570.

It is an arithmetic number, because the mean of its divisors is an integer number (4268713570).

Almost surely, 2^8537427139 is an apocalyptic number.

8537427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8537427139 is an equidigital number, since it uses as much as digits as its factorization.

8537427139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 8537427139 is about 92398.1987865564. The cubic root of 8537427139 is about 2043.8185510036.

The spelling of 8537427139 in words is "eight billion, five hundred thirty-seven million, four hundred twenty-seven thousand, one hundred thirty-nine".