1152134442 has 24 divisors (see below), whose sum is σ = 2588747616. Its totient is φ = 384044652.

The previous prime is 1152134411. The next prime is 1152134447. The reversal of 1152134442 is 2444312511.

1152134442 is a `hidden beast` number, since 1 + 1 + 5 + 213 + 4 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1152134447) 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 11 ways as a sum of consecutive naturals, for example, 1184838 + ... + 1185809.

It is an arithmetic number, because the mean of its divisors is an integer number (107864484).

Almost surely, 2^1152134442 is an apocalyptic number.

1152134442 is an abundant number, since it is smaller than the sum of its proper divisors (1436613174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152134442 is an equidigital number, since it uses as much as digits as its factorization.

1152134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370664 (or 2370652 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1152134442 is about 33943.1059568803. The cubic root of 1152134442 is about 1048.3373359254.

Adding to 1152134442 its reverse (2444312511), we get a palindrome (3596446953).

The spelling of 1152134442 in words is "one billion, one hundred fifty-two million, one hundred thirty-four thousand, four hundred forty-two".