1159042140 has 36 divisors (see below), whose sum is σ = 3515761704. Its totient is φ = 309077856.

The previous prime is 1159042139. The next prime is 1159042141. The reversal of 1159042140 is 412409511.

1159042140 is a `hidden beast` number, since 11 + 590 + 4 + 21 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (1159042139) and next prime (1159042141).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159042141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3219382 + ... + 3219741.

Almost surely, 2^1159042140 is an apocalyptic number.

1159042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1159042140 is an abundant number, since it is smaller than the sum of its proper divisors (2356719564).

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

1159042140 is a wasteful number, since it uses less digits than its factorization.

1159042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439138 (or 6439133 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1159042140 is about 34044.7079588003. The cubic root of 1159042140 is about 1050.4282878656.

The spelling of 1159042140 in words is "one billion, one hundred fifty-nine million, forty-two thousand, one hundred forty".