1340513035540 has 48 divisors (see below), whose sum is σ = 3386559254400. Its totient is φ = 435414759552.

The previous prime is 1340513035501. The next prime is 1340513035579. The reversal of 1340513035540 is 455303150431.

It is an interprime number because it is at equal distance from previous prime (1340513035501) and next prime (1340513035579).

It is a junction number, because it is equal to n+sod(n) for n = 1340513035496 and 1340513035505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251973475 + ... + 251978794.

It is an arithmetic number, because the mean of its divisors is an integer number (70553317800).

Almost surely, 2^{1340513035540} is an apocalyptic number.

1340513035540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340513035540 is an abundant number, since it is smaller than the sum of its proper divisors (2046046218860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340513035540 is a wasteful number, since it uses less digits than its factorization.

1340513035540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503952304 (or 503952302 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 1340513035540 its reverse (455303150431), we get a palindrome (1795816185971).

The spelling of 1340513035540 in words is "one trillion, three hundred forty billion, five hundred thirteen million, thirty-five thousand, five hundred forty".