1349787743 has 8 divisors (see below), whose sum is σ = 1429709040. Its totient is φ = 1269924480.

The previous prime is 1349787731. The next prime is 1349787827. The reversal of 1349787743 is 3477879431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1349787743 - 2⁴ = 1349787727 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 (1349787643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39068 + ... + 65006.

It is an arithmetic number, because the mean of its divisors is an integer number (178713630).

Almost surely, 2^1349787743 is an apocalyptic number.

1349787743 is a deficient number, since it is larger than the sum of its proper divisors (79921297).

1349787743 is a wasteful number, since it uses less digits than its factorization.

1349787743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29017.

The product of its digits is 3556224, while the sum is 53.

The square root of 1349787743 is about 36739.4575762898. The cubic root of 1349787743 is about 1105.1515234840.

The spelling of 1349787743 in words is "one billion, three hundred forty-nine million, seven hundred eighty-seven thousand, seven hundred forty-three".