1141535387 has 4 divisors (see below), whose sum is σ = 1149095376. Its totient is φ = 1133975400.

The previous prime is 1141535377. The next prime is 1141535399. The reversal of 1141535387 is 7835351411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141535387 - 2¹² = 1141531291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141535387.

It is not an unprimeable number, because it can be changed into a prime (1141535357) 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 3 ways as a sum of consecutive naturals, for example, 3779768 + ... + 3780069.

It is an arithmetic number, because the mean of its divisors is an integer number (287273844).

Almost surely, 2^1141535387 is an apocalyptic number.

1141535387 is a deficient number, since it is larger than the sum of its proper divisors (7559989).

1141535387 is an equidigital number, since it uses as much as digits as its factorization.

1141535387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559988.

The product of its digits is 50400, while the sum is 38.

The square root of 1141535387 is about 33786.6155008163. The cubic root of 1141535387 is about 1045.1127026024.

Adding to 1141535387 its reverse (7835351411), we get a palindrome (8976886798).

The spelling of 1141535387 in words is "one billion, one hundred forty-one million, five hundred thirty-five thousand, three hundred eighty-seven".