1142132113 has 4 divisors (see below), whose sum is σ = 1147163760. Its totient is φ = 1137100468.

The previous prime is 1142132099. The next prime is 1142132129. The reversal of 1142132113 is 3112312411.

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 a cyclic number.

It is not a de Polignac number, because 1142132113 - 2²⁹ = 605261201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142132513) 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, 2515483 + ... + 2515936.

It is an arithmetic number, because the mean of its divisors is an integer number (286790940).

Almost surely, 2^1142132113 is an apocalyptic number.

It is an amenable number.

1142132113 is a deficient number, since it is larger than the sum of its proper divisors (5031647).

1142132113 is an equidigital number, since it uses as much as digits as its factorization.

1142132113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031646.

The product of its digits is 144, while the sum is 19.

The square root of 1142132113 is about 33795.4451516769. The cubic root of 1142132113 is about 1045.2947782212.

Adding to 1142132113 its reverse (3112312411), we get a palindrome (4254444524).

It can be divided in two parts, 11421 and 32113, that added together give a palindrome (43534).

The spelling of 1142132113 in words is "one billion, one hundred forty-two million, one hundred thirty-two thousand, one hundred thirteen".