1340302350454 has 4 divisors (see below), whose sum is σ = 2010453525684. Its totient is φ = 670151175226.

The previous prime is 1340302350433. The next prime is 1340302350523. The reversal of 1340302350454 is 4540532030431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1340302350454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335075587612 + ... + 335075587615.

It is an arithmetic number, because the mean of its divisors is an integer number (502613381421).

Almost surely, 2^{1340302350454} is an apocalyptic number.

1340302350454 is a deficient number, since it is larger than the sum of its proper divisors (670151175230).

1340302350454 is an equidigital number, since it uses as much as digits as its factorization.

1340302350454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670151175229.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 1340302350454 its reverse (4540532030431), we get a palindrome (5880834380885).

The spelling of 1340302350454 in words is "one trillion, three hundred forty billion, three hundred two million, three hundred fifty thousand, four hundred fifty-four".