143198868709 has 8 divisors (see below), whose sum is σ = 155804004440. Its totient is φ = 130820852736.

The previous prime is 143198868629. The next prime is 143198868713. The reversal of 143198868709 is 907868891341.

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 143197912225 = 978^2 + 378415^2 .

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 143198868709 - 2¹³ = 143198860517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143198818709) 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, 56778624 + ... + 56781145.

It is an arithmetic number, because the mean of its divisors is an integer number (19475500555).

Almost surely, 2^143198868709 is an apocalyptic number.

It is an amenable number.

143198868709 is a deficient number, since it is larger than the sum of its proper divisors (12605135731).

143198868709 is a wasteful number, since it uses less digits than its factorization.

143198868709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113559879.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 143198868709 in words is "one hundred forty-three billion, one hundred ninety-eight million, eight hundred sixty-eight thousand, seven hundred nine".