1340957312745 has 16 divisors (see below), whose sum is σ = 2145546237312. Its totient is φ = 715172387840.

The previous prime is 1340957312719. The next prime is 1340957312753. The reversal of 1340957312745 is 5472137590431.

It is not a de Polignac number, because 1340957312745 - 2²⁰ = 1340956264169 is a prime.

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, 3644425 + ... + 3995465.

It is an arithmetic number, because the mean of its divisors is an integer number (134096639832).

Almost surely, 2^{1340957312745} is an apocalyptic number.

1340957312745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340957312745 is a deficient number, since it is larger than the sum of its proper divisors (804588924567).

1340957312745 is a wasteful number, since it uses less digits than its factorization.

1340957312745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605712.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 1340957312745 in words is "one trillion, three hundred forty billion, nine hundred fifty-seven million, three hundred twelve thousand, seven hundred forty-five".