1340256609086 has 16 divisors (see below), whose sum is σ = 2097830513664. Its totient is φ = 640980814584.

The previous prime is 1340256609001. The next prime is 1340256609103. The reversal of 1340256609086 is 6809066520431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2696891 + ... + 3154953.

It is an arithmetic number, because the mean of its divisors is an integer number (131114407104).

Almost surely, 2^{1340256609086} is an apocalyptic number.

1340256609086 is a deficient number, since it is larger than the sum of its proper divisors (757573904578).

1340256609086 is a wasteful number, since it uses less digits than its factorization.

1340256609086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521695.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 1340256609086 in words is "one trillion, three hundred forty billion, two hundred fifty-six million, six hundred nine thousand, eighty-six".