1340333102421 has 24 divisors (see below), whose sum is σ = 1999488082176. Its totient is φ = 864298955520.

The previous prime is 1340333102413. The next prime is 1340333102467. The reversal of 1340333102421 is 1242013330431.

It is a happy number.

1340333102421 is a `hidden beast` number, since 1 + 3 + 403 + 3 + 3 + 10 + 242 + 1 = 666.

It is not a de Polignac number, because 1340333102421 - 2³ = 1340333102413 is a prime.

It is a super-2 number, since 2×1340333102421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340333102021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640380 + ... + 1758053.

It is an arithmetic number, because the mean of its divisors is an integer number (83312003424).

Almost surely, 2^{1340333102421} is an apocalyptic number.

It is an amenable number.

1340333102421 is a deficient number, since it is larger than the sum of its proper divisors (659154979755).

1340333102421 is a wasteful number, since it uses less digits than its factorization.

1340333102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400473 (or 2400470 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1340333102421 its reverse (1242013330431), we get a palindrome (2582346432852).

The spelling of 1340333102421 in words is "one trillion, three hundred forty billion, three hundred thirty-three million, one hundred two thousand, four hundred twenty-one".