1131116340 has 24 divisors (see below), whose sum is σ = 3167125920. Its totient is φ = 301631008.

The previous prime is 1131116309. The next prime is 1131116353. The reversal of 1131116340 is 436111311.

It is a super-2 number, since 2×1131116340² = 2558848349229991200, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 9425910 + ... + 9426029.

It is an arithmetic number, because the mean of its divisors is an integer number (131963580).

Almost surely, 2^1131116340 is an apocalyptic number.

1131116340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131116340 is an abundant number, since it is smaller than the sum of its proper divisors (2036009580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131116340 is a wasteful number, since it uses less digits than its factorization.

1131116340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851951 (or 18851949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1131116340 is about 33632.0730850776. The cubic root of 1131116340 is about 1041.9233208507.

Adding to 1131116340 its reverse (436111311), we get a palindrome (1567227651).

The spelling of 1131116340 in words is "one billion, one hundred thirty-one million, one hundred sixteen thousand, three hundred forty".