1389735111 has 4 divisors (see below), whose sum is σ = 1852980152. Its totient is φ = 926490072.

The previous prime is 1389735097. The next prime is 1389735163. The reversal of 1389735111 is 1115379831.

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

It is not a de Polignac number, because 1389735111 - 2⁵ = 1389735079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1389735111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389735181) 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 3 ways as a sum of consecutive naturals, for example, 231622516 + ... + 231622521.

It is an arithmetic number, because the mean of its divisors is an integer number (463245038).

Almost surely, 2^1389735111 is an apocalyptic number.

1389735111 is a deficient number, since it is larger than the sum of its proper divisors (463245041).

1389735111 is an equidigital number, since it uses as much as digits as its factorization.

1389735111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463245040.

The product of its digits is 22680, while the sum is 39.

The square root of 1389735111 is about 37279.1511571817. The cubic root of 1389735111 is about 1115.9481330515.

The spelling of 1389735111 in words is "one billion, three hundred eighty-nine million, seven hundred thirty-five thousand, one hundred eleven".