1330120139 has 2 divisors, whose sum is σ = 1330120140. Its totient is φ = 1330120138.

The previous prime is 1330120117. The next prime is 1330120201. The reversal of 1330120139 is 9310210331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9310210331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330120139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330120039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665060069 + 665060070.

It is an arithmetic number, because the mean of its divisors is an integer number (665060070).

Almost surely, 2^1330120139 is an apocalyptic number.

1330120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330120139 is an equidigital number, since it uses as much as digits as its factorization.

1330120139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1330120139 is about 36470.8121516371. The cubic root of 1330120139 is about 1099.7575606200.

The spelling of 1330120139 in words is "one billion, three hundred thirty million, one hundred twenty thousand, one hundred thirty-nine".