1140056167 has 4 divisors (see below), whose sum is σ = 1140173496. Its totient is φ = 1139938840.

The previous prime is 1140056123. The next prime is 1140056201. The reversal of 1140056167 is 7616500411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140056167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140056117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42628 + ... + 64009.

It is an arithmetic number, because the mean of its divisors is an integer number (285043374).

Almost surely, 2^1140056167 is an apocalyptic number.

1140056167 is a deficient number, since it is larger than the sum of its proper divisors (117329).

1140056167 is a wasteful number, since it uses less digits than its factorization.

1140056167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117328.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1140056167 is about 33764.7177835089. The cubic root of 1140056167 is about 1044.6610828316.

Adding to 1140056167 its reverse (7616500411), we get a palindrome (8756556578).

The spelling of 1140056167 in words is "one billion, one hundred forty million, fifty-six thousand, one hundred sixty-seven".