1134143420 has 24 divisors (see below), whose sum is σ = 2384575200. Its totient is φ = 453109952.

The previous prime is 1134143419. The next prime is 1134143429. The reversal of 1134143420 is 243414311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134143429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17015 + ... + 50574.

It is an arithmetic number, because the mean of its divisors is an integer number (99357300).

Almost surely, 2^1134143420 is an apocalyptic number.

1134143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134143420 is an abundant number, since it is smaller than the sum of its proper divisors (1250431780).

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

1134143420 is a wasteful number, since it uses less digits than its factorization.

1134143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68437 (or 68435 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1134143420 is about 33677.0458918237. The cubic root of 1134143420 is about 1042.8519538474.

Adding to 1134143420 its reverse (243414311), we get a palindrome (1377557731).

The spelling of 1134143420 in words is "one billion, one hundred thirty-four million, one hundred forty-three thousand, four hundred twenty".