1141861908 has 48 divisors (see below), whose sum is σ = 2909523456. Its totient is φ = 345665760.

The previous prime is 1141861891. The next prime is 1141861909. The reversal of 1141861908 is 8091681411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141861909) 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 15 ways as a sum of consecutive naturals, for example, 144385 + ... + 152087.

It is an arithmetic number, because the mean of its divisors is an integer number (60615072).

Almost surely, 2^1141861908 is an apocalyptic number.

It is an amenable number.

1141861908 is an abundant number, since it is smaller than the sum of its proper divisors (1767661548).

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

1141861908 is a wasteful number, since it uses less digits than its factorization.

1141861908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844 (or 8842 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 1141861908 is about 33791.4472611044. The cubic root of 1141861908 is about 1045.2123399613.

The spelling of 1141861908 in words is "one billion, one hundred forty-one million, eight hundred sixty-one thousand, nine hundred eight".