1359719987 has 2 divisors, whose sum is σ = 1359719988. Its totient is φ = 1359719986.

The previous prime is 1359719983. The next prime is 1359720001. The reversal of 1359719987 is 7899179531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1359719987 - 2² = 1359719983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1359719983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679859993 + 679859994.

It is an arithmetic number, because the mean of its divisors is an integer number (679859994).

Almost surely, 2^1359719987 is an apocalyptic number.

1359719987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359719987 is an equidigital number, since it uses as much as digits as its factorization.

1359719987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 59.

The square root of 1359719987 is about 36874.3811744685. The cubic root of 1359719987 is about 1107.8556080765.

The spelling of 1359719987 in words is "one billion, three hundred fifty-nine million, seven hundred nineteen thousand, nine hundred eighty-seven".