1131739814 has 4 divisors (see below), whose sum is σ = 1697609724. Its totient is φ = 565869906.

The previous prime is 1131739801. The next prime is 1131739823. The reversal of 1131739814 is 4189371311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4189371311 = 179 ⋅23404309.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 282934952 + ... + 282934955.

It is an arithmetic number, because the mean of its divisors is an integer number (424402431).

Almost surely, 2^1131739814 is an apocalyptic number.

1131739814 is a deficient number, since it is larger than the sum of its proper divisors (565869910).

1131739814 is an equidigital number, since it uses as much as digits as its factorization.

1131739814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565869909.

The product of its digits is 18144, while the sum is 38.

The square root of 1131739814 is about 33641.3408472373. The cubic root of 1131739814 is about 1042.1147225537.

The spelling of 1131739814 in words is "one billion, one hundred thirty-one million, seven hundred thirty-nine thousand, eight hundred fourteen".