1370165539 has 2 divisors, whose sum is σ = 1370165540. Its totient is φ = 1370165538.

The previous prime is 1370165509. The next prime is 1370165561. The reversal of 1370165539 is 9355610731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370165539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370165509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685082769 + 685082770.

It is an arithmetic number, because the mean of its divisors is an integer number (685082770).

Almost surely, 2^1370165539 is an apocalyptic number.

1370165539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370165539 is an equidigital number, since it uses as much as digits as its factorization.

1370165539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 1370165539 is about 37015.7471760331. The cubic root of 1370165539 is about 1110.6852730874.

The spelling of 1370165539 in words is "one billion, three hundred seventy million, one hundred sixty-five thousand, five hundred thirty-nine".