1434340987 has 2 divisors, whose sum is σ = 1434340988. Its totient is φ = 1434340986.

The previous prime is 1434340969. The next prime is 1434340991. The reversal of 1434340987 is 7890434341.

It is a strong prime.

It is an emirp because it is prime and its reverse (7890434341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434340987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1434340907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717170493 + 717170494.

It is an arithmetic number, because the mean of its divisors is an integer number (717170494).

Almost surely, 2^1434340987 is an apocalyptic number.

1434340987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434340987 is an equidigital number, since it uses as much as digits as its factorization.

1434340987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1434340987 is about 37872.6944776841. The cubic root of 1434340987 is about 1127.7620328934.

The spelling of 1434340987 in words is "one billion, four hundred thirty-four million, three hundred forty thousand, nine hundred eighty-seven".