1143013679 has 8 divisors (see below), whose sum is σ = 1182246912. Its totient is φ = 1103928120.

The previous prime is 1143013661. The next prime is 1143013687. The reversal of 1143013679 is 9763103411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1143013679 - 2¹² = 1143009583 is a prime.

It is a super-2 number, since 2×1143013679² = 2612960540762230082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143013639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21059 + ... + 52244.

It is an arithmetic number, because the mean of its divisors is an integer number (147780864).

Almost surely, 2^1143013679 is an apocalyptic number.

1143013679 is a deficient number, since it is larger than the sum of its proper divisors (39233233).

1143013679 is an equidigital number, since it uses as much as digits as its factorization.

1143013679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73837.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1143013679 is about 33808.4853106435. The cubic root of 1143013679 is about 1045.5636494370.

The spelling of 1143013679 in words is "one billion, one hundred forty-three million, thirteen thousand, six hundred seventy-nine".