1152131133 has 4 divisors (see below), whose sum is σ = 1536174848. Its totient is φ = 768087420.

The previous prime is 1152131093. The next prime is 1152131137. The reversal of 1152131133 is 3311312511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1152131133 - 2¹⁶ = 1152065597 is a prime.

It is a super-2 number, since 2×1152131133² = 2654812295255727378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152131137) 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, 192021853 + ... + 192021858.

It is an arithmetic number, because the mean of its divisors is an integer number (384043712).

Almost surely, 2^1152131133 is an apocalyptic number.

It is an amenable number.

1152131133 is a deficient number, since it is larger than the sum of its proper divisors (384043715).

1152131133 is an equidigital number, since it uses as much as digits as its factorization.

1152131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384043714.

The product of its digits is 270, while the sum is 21.

The square root of 1152131133 is about 33943.0572135157. The cubic root of 1152131133 is about 1048.3363322949.

Adding to 1152131133 its reverse (3311312511), we get a palindrome (4463443644).

The spelling of 1152131133 in words is "one billion, one hundred fifty-two million, one hundred thirty-one thousand, one hundred thirty-three".