1141383891 has 16 divisors (see below), whose sum is σ = 1539549440. Its totient is φ = 752099040.

The previous prime is 1141383889. The next prime is 1141383913. The reversal of 1141383891 is 1983831411.

It is not a de Polignac number, because 1141383891 - 2¹ = 1141383889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141383811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173205 + ... + 179673.

It is an arithmetic number, because the mean of its divisors is an integer number (96221840).

Almost surely, 2^1141383891 is an apocalyptic number.

1141383891 is a deficient number, since it is larger than the sum of its proper divisors (398165549).

1141383891 is a wasteful number, since it uses less digits than its factorization.

1141383891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146.

The product of its digits is 20736, while the sum is 39.

The square root of 1141383891 is about 33784.3734735454. The cubic root of 1141383891 is about 1045.0664673884.

The spelling of 1141383891 in words is "one billion, one hundred forty-one million, three hundred eighty-three thousand, eight hundred ninety-one".