1340691613452 has 72 divisors (see below), whose sum is σ = 3588598003536. Its totient is φ = 420576743424.

The previous prime is 1340691613423. The next prime is 1340691613477. The reversal of 1340691613452 is 2543161960431.

1340691613452 is a `hidden beast` number, since 1 + 3 + 406 + 9 + 161 + 34 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1340691613398 and 1340691613407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8599063 + ... + 8753585.

It is an arithmetic number, because the mean of its divisors is an integer number (49841638938).

Almost surely, 2^{1340691613452} is an apocalyptic number.

1340691613452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340691613452 is an abundant number, since it is smaller than the sum of its proper divisors (2247906390084).

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

1340691613452 is a wasteful number, since it uses less digits than its factorization.

1340691613452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168727 (or 168722 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 1340691613452 in words is "one trillion, three hundred forty billion, six hundred ninety-one million, six hundred thirteen thousand, four hundred fifty-two".