1143143134 has 8 divisors (see below), whose sum is σ = 1959673968. Its totient is φ = 489918480.

The previous prime is 1143143123. The next prime is 1143143137. The reversal of 1143143134 is 4313413411.

It is a happy number.

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

It is a super-2 number, since 2×1143143134² = 2613552449622683912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143143099 and 1143143108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143143137) 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, 40826527 + ... + 40826554.

It is an arithmetic number, because the mean of its divisors is an integer number (244959246).

Almost surely, 2^1143143134 is an apocalyptic number.

1143143134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143143134 is a deficient number, since it is larger than the sum of its proper divisors (816530834).

1143143134 is an equidigital number, since it uses as much as digits as its factorization.

1143143134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81653090.

The product of its digits is 1728, while the sum is 25.

The square root of 1143143134 is about 33810.3997905970. The cubic root of 1143143134 is about 1045.6031206277.

Adding to 1143143134 its reverse (4313413411), we get a palindrome (5456556545).

The spelling of 1143143134 in words is "one billion, one hundred forty-three million, one hundred forty-three thousand, one hundred thirty-four".