1311136739 has 8 divisors (see below), whose sum is σ = 1431389232. Its totient is φ = 1191060640.

The previous prime is 1311136733. The next prime is 1311136741. The reversal of 1311136739 is 9376311131.

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

It is not a de Polignac number, because 1311136739 - 2⁸ = 1311136483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311136699 and 1311136708.

It is not an unprimeable number, because it can be changed into a prime (1311136733) 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 7 ways as a sum of consecutive naturals, for example, 28304 + ... + 58509.

It is an arithmetic number, because the mean of its divisors is an integer number (178923654).

Almost surely, 2^1311136739 is an apocalyptic number.

1311136739 is a deficient number, since it is larger than the sum of its proper divisors (120252493).

1311136739 is a wasteful number, since it uses less digits than its factorization.

1311136739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88197.

The product of its digits is 10206, while the sum is 35.

The square root of 1311136739 is about 36209.6221880317. The cubic root of 1311136739 is about 1094.5005788801.

The spelling of 1311136739 in words is "one billion, three hundred eleven million, one hundred thirty-six thousand, seven hundred thirty-nine".