1340753743 has 16 divisors (see below), whose sum is σ = 1600275456. Its totient is φ = 1098313920.

The previous prime is 1340753707. The next prime is 1340753759. The reversal of 1340753743 is 3473570431.

It is a cyclic number.

It is not a de Polignac number, because 1340753743 - 2¹⁷ = 1340622671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340753783) 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 15 ways as a sum of consecutive naturals, for example, 235630 + ... + 241252.

It is an arithmetic number, because the mean of its divisors is an integer number (100017216).

Almost surely, 2^1340753743 is an apocalyptic number.

1340753743 is a deficient number, since it is larger than the sum of its proper divisors (259521713).

1340753743 is a wasteful number, since it uses less digits than its factorization.

1340753743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 1340753743 is about 36616.3043329061. The cubic root of 1340753743 is about 1102.6804446161.

The spelling of 1340753743 in words is "one billion, three hundred forty million, seven hundred fifty-three thousand, seven hundred forty-three".