1340287837577 has 16 divisors (see below), whose sum is σ = 1474889834880. Its totient is φ = 1210452297600.

The previous prime is 1340287837529. The next prime is 1340287837583. The reversal of 1340287837577 is 7757387820431.

It is not a de Polignac number, because 1340287837577 - 2¹⁴ = 1340287821193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340287837597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5421452 + ... + 5663277.

It is an arithmetic number, because the mean of its divisors is an integer number (92180614680).

Almost surely, 2^{1340287837577} is an apocalyptic number.

It is an amenable number.

1340287837577 is a deficient number, since it is larger than the sum of its proper divisors (134601997303).

1340287837577 is a wasteful number, since it uses less digits than its factorization.

1340287837577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084944.

The product of its (nonzero) digits is 55319040, while the sum is 62.

The spelling of 1340287837577 in words is "one trillion, three hundred forty billion, two hundred eighty-seven million, eight hundred thirty-seven thousand, five hundred seventy-seven".