1340727367231 has 4 divisors (see below), whose sum is σ = 1532259848272. Its totient is φ = 1149194886192.

The previous prime is 1340727367219. The next prime is 1340727367253. The reversal of 1340727367231 is 1327637270431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340727367231 - 2³⁷ = 1203288413759 is a prime.

It is a super-2 number, since 2×1340727367231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340727367201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95766240510 + ... + 95766240523.

It is an arithmetic number, because the mean of its divisors is an integer number (383064962068).

Almost surely, 2^{1340727367231} is an apocalyptic number.

1340727367231 is a deficient number, since it is larger than the sum of its proper divisors (191532481041).

1340727367231 is an equidigital number, since it uses as much as digits as its factorization.

1340727367231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191532481040.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 1340727367231 in words is "one trillion, three hundred forty billion, seven hundred twenty-seven million, three hundred sixty-seven thousand, two hundred thirty-one".