1143386141 has 4 divisors (see below), whose sum is σ = 1149132000. Its totient is φ = 1137640284.

The previous prime is 1143386131. The next prime is 1143386149. The reversal of 1143386141 is 1416833411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1416833411 = 7 ⋅202404773.

It is a cyclic number.

It is not a de Polignac number, because 1143386141 - 2³⁰ = 69644317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143386098 and 1143386107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143386149) 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, 2872631 + ... + 2873028.

It is an arithmetic number, because the mean of its divisors is an integer number (287283000).

Almost surely, 2^1143386141 is an apocalyptic number.

It is an amenable number.

1143386141 is a deficient number, since it is larger than the sum of its proper divisors (5745859).

1143386141 is an equidigital number, since it uses as much as digits as its factorization.

1143386141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745858.

The product of its digits is 6912, while the sum is 32.

The square root of 1143386141 is about 33813.9932720168. The cubic root of 1143386141 is about 1045.6772060936.

The spelling of 1143386141 in words is "one billion, one hundred forty-three million, three hundred eighty-six thousand, one hundred forty-one".