1378960159 has 2 divisors, whose sum is σ = 1378960160. Its totient is φ = 1378960158.

The previous prime is 1378960153. The next prime is 1378960223. The reversal of 1378960159 is 9510698731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9510698731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1378960159 - 2⁵ = 1378960127 is a prime.

It is a super-2 number, since 2×1378960159² = 3803062240218610562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1378960153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689480079 + 689480080.

It is an arithmetic number, because the mean of its divisors is an integer number (689480080).

Almost surely, 2^1378960159 is an apocalyptic number.

1378960159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378960159 is an equidigital number, since it uses as much as digits as its factorization.

1378960159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1378960159 is about 37134.3528151495. The cubic root of 1378960159 is about 1113.0565753347.

The spelling of 1378960159 in words is "one billion, three hundred seventy-eight million, nine hundred sixty thousand, one hundred fifty-nine".