1380963587 has 2 divisors, whose sum is σ = 1380963588. Its totient is φ = 1380963586.

The previous prime is 1380963509. The next prime is 1380963589. The reversal of 1380963587 is 7853690831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380963587 - 2¹⁴ = 1380947203 is a prime.

Together with 1380963589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1380963589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690481793 + 690481794.

It is an arithmetic number, because the mean of its divisors is an integer number (690481794).

Almost surely, 2^1380963587 is an apocalyptic number.

1380963587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380963587 is an equidigital number, since it uses as much as digits as its factorization.

1380963587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1380963587 is about 37161.3184238665. The cubic root of 1380963587 is about 1113.5953507892.

The spelling of 1380963587 in words is "one billion, three hundred eighty million, nine hundred sixty-three thousand, five hundred eighty-seven".