1140302142 has 48 divisors (see below), whose sum is σ = 2946378240. Its totient is φ = 311634576.

The previous prime is 1140302129. The next prime is 1140302213. The reversal of 1140302142 is 2412030411.

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, 193842 + ... + 199637.

It is an arithmetic number, because the mean of its divisors is an integer number (61382880).

Almost surely, 2^1140302142 is an apocalyptic number.

1140302142 is an abundant number, since it is smaller than the sum of its proper divisors (1806076098).

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

1140302142 is a wasteful number, since it uses less digits than its factorization.

1140302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393517 (or 393514 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1140302142 is about 33768.3600727071. The cubic root of 1140302142 is about 1044.7362083793.

Adding to 1140302142 its reverse (2412030411), we get a palindrome (3552332553).

The spelling of 1140302142 in words is "one billion, one hundred forty million, three hundred two thousand, one hundred forty-two".