1382749311 has 32 divisors (see below), whose sum is σ = 1937088000. Its totient is φ = 876458880.

The previous prime is 1382749289. The next prime is 1382749367. The reversal of 1382749311 is 1139472831.

It is not a de Polignac number, because 1382749311 - 2¹⁰ = 1382748287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1382749311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382749391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302721 + ... + 1303781.

It is an arithmetic number, because the mean of its divisors is an integer number (60534000).

Almost surely, 2^1382749311 is an apocalyptic number.

1382749311 is a deficient number, since it is larger than the sum of its proper divisors (554338689).

1382749311 is a wasteful number, since it uses less digits than its factorization.

1382749311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its digits is 36288, while the sum is 39.

The square root of 1382749311 is about 37185.3373119029. The cubic root of 1382749311 is about 1114.0751407553.

The spelling of 1382749311 in words is "one billion, three hundred eighty-two million, seven hundred forty-nine thousand, three hundred eleven".