1485709139 has 2 divisors, whose sum is σ = 1485709140. Its totient is φ = 1485709138.

The previous prime is 1485709111. The next prime is 1485709153. The reversal of 1485709139 is 9319075841.

It is a strong prime.

It is an emirp because it is prime and its reverse (9319075841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485709139 - 2¹² = 1485705043 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1485709093 and 1485709102.

It is not a weakly prime, because it can be changed into another prime (1485709109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742854569 + 742854570.

It is an arithmetic number, because the mean of its divisors is an integer number (742854570).

Almost surely, 2^1485709139 is an apocalyptic number.

1485709139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485709139 is an equidigital number, since it uses as much as digits as its factorization.

1485709139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1485709139 is about 38544.8977038466. The cubic root of 1485709139 is about 1141.0673134973.

The spelling of 1485709139 in words is "one billion, four hundred eighty-five million, seven hundred nine thousand, one hundred thirty-nine".