1340203036021 has 8 divisors (see below), whose sum is σ = 1347721999200. Its totient is φ = 1332684426480.

The previous prime is 1340203036001. The next prime is 1340203036099. The reversal of 1340203036021 is 1206303020431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340203036021 - 2¹³ = 1340203027829 is a prime.

It is a super-2 number, since 2×1340203036021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340203036001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12588150 + ... + 12694168.

It is an arithmetic number, because the mean of its divisors is an integer number (168465249900).

Almost surely, 2^{1340203036021} is an apocalyptic number.

It is an amenable number.

1340203036021 is a deficient number, since it is larger than the sum of its proper divisors (7518963179).

1340203036021 is a wasteful number, since it uses less digits than its factorization.

1340203036021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176819.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1340203036021 its reverse (1206303020431), we get a palindrome (2546506056452).

The spelling of 1340203036021 in words is "one trillion, three hundred forty billion, two hundred three million, thirty-six thousand, twenty-one".