1130840686 has 4 divisors (see below), whose sum is σ = 1696261032. Its totient is φ = 565420342.

The previous prime is 1130840677. The next prime is 1130840687. The reversal of 1130840686 is 6860480311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6860480311 = 4057 ⋅1691023.

It is a super-2 number, since 2×1130840686² = 2557601314225901192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130840687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282710170 + ... + 282710173.

It is an arithmetic number, because the mean of its divisors is an integer number (424065258).

Almost surely, 2^1130840686 is an apocalyptic number.

1130840686 is a deficient number, since it is larger than the sum of its proper divisors (565420346).

1130840686 is an equidigital number, since it uses as much as digits as its factorization.

1130840686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565420345.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1130840686 is about 33627.9747531724. The cubic root of 1130840686 is about 1041.8386747788.

The spelling of 1130840686 in words is "one billion, one hundred thirty million, eight hundred forty thousand, six hundred eighty-six".