1131835686739 has 4 divisors (see below), whose sum is σ = 1131869708080. Its totient is φ = 1131801665400.

The previous prime is 1131835686703. The next prime is 1131835686791. The reversal of 1131835686739 is 9376865381311.

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 1131835686739 - 2⁹ = 1131835686227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131835686139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16960719 + ... + 17027320.

It is an arithmetic number, because the mean of its divisors is an integer number (282967427020).

Almost surely, 2^{1131835686739} is an apocalyptic number.

1131835686739 is a deficient number, since it is larger than the sum of its proper divisors (34021341).

1131835686739 is an equidigital number, since it uses as much as digits as its factorization.

1131835686739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34021340.

The product of its digits is 19595520, while the sum is 61.

The spelling of 1131835686739 in words is "one trillion, one hundred thirty-one billion, eight hundred thirty-five million, six hundred eighty-six thousand, seven hundred thirty-nine".