1340502251413 has 4 divisors (see below), whose sum is σ = 1443617809228. Its totient is φ = 1237386693600.

The previous prime is 1340502251399. The next prime is 1340502251449. The reversal of 1340502251413 is 3141522050431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 891056705764 + 449445545649 = 943958^2 + 670407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340502251413 - 2²¹ = 1340500154261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340502251113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51557778888 + ... + 51557778913.

It is an arithmetic number, because the mean of its divisors is an integer number (360904452307).

Almost surely, 2^{1340502251413} is an apocalyptic number.

1340502251413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1340502251413 is a deficient number, since it is larger than the sum of its proper divisors (103115557815).

1340502251413 is a wasteful number, since it uses less digits than its factorization.

1340502251413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103115557814.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1340502251413 in words is "one trillion, three hundred forty billion, five hundred two million, two hundred fifty-one thousand, four hundred thirteen".