1340310454 has 16 divisors (see below), whose sum is σ = 2301769728. Its totient is φ = 573395112.

The previous prime is 1340310449. The next prime is 1340310463. The reversal of 1340310454 is 4540130431.

It is a super-3 number, since 3×1340310454³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77142 + ... + 92905.

It is an arithmetic number, because the mean of its divisors is an integer number (143860608).

Almost surely, 2^1340310454 is an apocalyptic number.

1340310454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340310454 is a deficient number, since it is larger than the sum of its proper divisors (961459274).

1340310454 is a wasteful number, since it uses less digits than its factorization.

1340310454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170619.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1340310454 is about 36610.2506683579. The cubic root of 1340310454 is about 1102.5589060177.

Adding to 1340310454 its reverse (4540130431), we get a palindrome (5880440885).

The spelling of 1340310454 in words is "one billion, three hundred forty million, three hundred ten thousand, four hundred fifty-four".