1131141838 has 16 divisors (see below), whose sum is σ = 1729475280. Its totient is φ = 554723136.

The previous prime is 1131141821. The next prime is 1131141841. The reversal of 1131141838 is 8381411311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13108 + ... + 49336.

It is an arithmetic number, because the mean of its divisors is an integer number (108092205).

Almost surely, 2^1131141838 is an apocalyptic number.

1131141838 is a deficient number, since it is larger than the sum of its proper divisors (598333442).

1131141838 is a wasteful number, since it uses less digits than its factorization.

1131141838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36531.

The product of its digits is 2304, while the sum is 31.

The square root of 1131141838 is about 33632.4521556190. The cubic root of 1131141838 is about 1041.9311499190.

The spelling of 1131141838 in words is "one billion, one hundred thirty-one million, one hundred forty-one thousand, eight hundred thirty-eight".