1427010139 has 2 divisors, whose sum is σ = 1427010140. Its totient is φ = 1427010138.

The previous prime is 1427010089. The next prime is 1427010161. The reversal of 1427010139 is 9310107241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427010139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427010199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713505069 + 713505070.

It is an arithmetic number, because the mean of its divisors is an integer number (713505070).

Almost surely, 2^1427010139 is an apocalyptic number.

1427010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427010139 is an equidigital number, since it uses as much as digits as its factorization.

1427010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1427010139 is about 37775.7877350030. The cubic root of 1427010139 is about 1125.8374377662.

The spelling of 1427010139 in words is "one billion, four hundred twenty-seven million, ten thousand, one hundred thirty-nine".