1131700818 has 32 divisors (see below), whose sum is σ = 2338394112. Its totient is φ = 364755600.

The previous prime is 1131700813. The next prime is 1131700877. The reversal of 1131700818 is 8180071311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131700811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338905 + ... + 342227.

It is an arithmetic number, because the mean of its divisors is an integer number (73074816).

Almost surely, 2^1131700818 is an apocalyptic number.

1131700818 is an abundant number, since it is smaller than the sum of its proper divisors (1206693294).

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

1131700818 is a wasteful number, since it uses less digits than its factorization.

1131700818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190.

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 1131700818 is about 33640.7612577361. The cubic root of 1131700818 is about 1042.1027531440.

The spelling of 1131700818 in words is "one billion, one hundred thirty-one million, seven hundred thousand, eight hundred eighteen".