1140495812 has 6 divisors (see below), whose sum is σ = 1995867678. Its totient is φ = 570247904.

The previous prime is 1140495809. The next prime is 1140495823. The reversal of 1140495812 is 2185940411.

It can be written as a sum of positive squares in only one way, i.e., 952092736 + 188403076 = 30856^2 + 13726^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142561973 + ... + 142561980.

It is an arithmetic number, because the mean of its divisors is an integer number (332644613).

Almost surely, 2^1140495812 is an apocalyptic number.

It is an amenable number.

1140495812 is a deficient number, since it is larger than the sum of its proper divisors (855371866).

1140495812 is a wasteful number, since it uses less digits than its factorization.

1140495812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285123957 (or 285123955 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1140495812 is about 33771.2275761483. The cubic root of 1140495812 is about 1044.7953513614.

The spelling of 1140495812 in words is "one billion, one hundred forty million, four hundred ninety-five thousand, eight hundred twelve".