1142086386 has 64 divisors (see below), whose sum is σ = 2655277056. Its totient is φ = 320760000.

The previous prime is 1142086373. The next prime is 1142086441. The reversal of 1142086386 is 6836802411.

It is a super-2 number, since 2×1142086386² = 2608722626173081992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639651 + ... + 641433.

It is an arithmetic number, because the mean of its divisors is an integer number (41488704).

Almost surely, 2^1142086386 is an apocalyptic number.

1142086386 is an abundant number, since it is smaller than the sum of its proper divisors (1513190670).

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

1142086386 is a wasteful number, since it uses less digits than its factorization.

1142086386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1142086386 is about 33794.7686188262. The cubic root of 1142086386 is about 1045.2808280451.

Adding to 1142086386 its reverse (6836802411), we get a palindrome (7978888797).

The spelling of 1142086386 in words is "one billion, one hundred forty-two million, eighty-six thousand, three hundred eighty-six".