1149240436 has 12 divisors (see below), whose sum is σ = 2014851328. Its totient is φ = 573568632.

The previous prime is 1149240431. The next prime is 1149240437. The reversal of 1149240436 is 6340429411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149240431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260436 + ... + 264811.

Almost surely, 2^1149240436 is an apocalyptic number.

It is an amenable number.

1149240436 is a deficient number, since it is larger than the sum of its proper divisors (865610892).

1149240436 is a wasteful number, since it uses less digits than its factorization.

1149240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525798 (or 525796 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1149240436 is about 33900.4489055824. The cubic root of 1149240436 is about 1047.4588393933.

Adding to 1149240436 its reverse (6340429411), we get a palindrome (7489669847).

The spelling of 1149240436 in words is "one billion, one hundred forty-nine million, two hundred forty thousand, four hundred thirty-six".