1140311214 has 48 divisors (see below), whose sum is σ = 2899953888. Its totient is φ = 316996416.

The previous prime is 1140311209. The next prime is 1140311267. The reversal of 1140311214 is 4121130411.

1140311214 is a `hidden beast` number, since 1 + 140 + 311 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117637 + ... + 126960.

It is an arithmetic number, because the mean of its divisors is an integer number (60415706).

Almost surely, 2^1140311214 is an apocalyptic number.

1140311214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1140311214 is an abundant number, since it is smaller than the sum of its proper divisors (1759642674).

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

1140311214 is a wasteful number, since it uses less digits than its factorization.

1140311214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244649 (or 244646 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1140311214 is about 33768.4943993658. The cubic root of 1140311214 is about 1044.7389789379.

Adding to 1140311214 its reverse (4121130411), we get a palindrome (5261441625).

The spelling of 1140311214 in words is "one billion, one hundred forty million, three hundred eleven thousand, two hundred fourteen".