1340053459 has 2 divisors, whose sum is σ = 1340053460. Its totient is φ = 1340053458.

The previous prime is 1340053453. The next prime is 1340053483. The reversal of 1340053459 is 9543500431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340053459 - 2⁵ = 1340053427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340053453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670026729 + 670026730.

It is an arithmetic number, because the mean of its divisors is an integer number (670026730).

Almost surely, 2^1340053459 is an apocalyptic number.

1340053459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340053459 is an equidigital number, since it uses as much as digits as its factorization.

1340053459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1340053459 is about 36606.7406224591. The cubic root of 1340053459 is about 1102.4884322362.

The spelling of 1340053459 in words is "one billion, three hundred forty million, fifty-three thousand, four hundred fifty-nine".