1133140237 has 8 divisors (see below), whose sum is σ = 1151942904. Its totient is φ = 1114426368.

The previous prime is 1133140231. The next prime is 1133140271. The reversal of 1133140237 is 7320413311.

It can be written as a sum of positive squares in 4 ways, for example, as 148498596 + 984641641 = 12186^2 + 31379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133140237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133140231) 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 7 ways as a sum of consecutive naturals, for example, 3783 + ... + 47755.

It is an arithmetic number, because the mean of its divisors is an integer number (143992863).

Almost surely, 2^1133140237 is an apocalyptic number.

It is an amenable number.

1133140237 is a deficient number, since it is larger than the sum of its proper divisors (18802667).

1133140237 is an equidigital number, since it uses as much as digits as its factorization.

1133140237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44399.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1133140237 is about 33662.1484311385. The cubic root of 1133140237 is about 1042.5443854684.

Adding to 1133140237 its reverse (7320413311), we get a palindrome (8453553548).

The spelling of 1133140237 in words is "one billion, one hundred thirty-three million, one hundred forty thousand, two hundred thirty-seven".