1140906158 has 16 divisors (see below), whose sum is σ = 1961483904. Its totient is φ = 487548600.

The previous prime is 1140906157. The next prime is 1140906163. The reversal of 1140906158 is 8516090411.

It is a super-2 number, since 2×1140906158² = 2603333722724641928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140906157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112568 + ... + 122283.

It is an arithmetic number, because the mean of its divisors is an integer number (122592744).

Almost surely, 2^1140906158 is an apocalyptic number.

1140906158 is a deficient number, since it is larger than the sum of its proper divisors (820577746).

1140906158 is a wasteful number, since it uses less digits than its factorization.

1140906158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235207.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1140906158 is about 33777.3024085702. The cubic root of 1140906158 is about 1044.9206407841.

Adding to 1140906158 its reverse (8516090411), we get a palindrome (9656996569).

The spelling of 1140906158 in words is "one billion, one hundred forty million, nine hundred six thousand, one hundred fifty-eight".