1141557236 has 12 divisors (see below), whose sum is σ = 1999025700. Its totient is φ = 570407040.

The previous prime is 1141557227. The next prime is 1141557253. The reversal of 1141557236 is 6327551411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 531763600 + 609793636 = 23060^2 + 24694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1141557196 and 1141557205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85925 + ... + 98316.

It is an arithmetic number, because the mean of its divisors is an integer number (166585475).

Almost surely, 2^1141557236 is an apocalyptic number.

It is an amenable number.

1141557236 is a deficient number, since it is larger than the sum of its proper divisors (857468464).

1141557236 is a wasteful number, since it uses less digits than its factorization.

1141557236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185794 (or 185792 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 1141557236 is about 33786.9388373673. The cubic root of 1141557236 is about 1045.1193703828.

The spelling of 1141557236 in words is "one billion, one hundred forty-one million, five hundred fifty-seven thousand, two hundred thirty-six".