8000143990 has 32 divisors (see below), whose sum is σ = 15201976320. Its totient is φ = 3022871904.

The previous prime is 8000143979. The next prime is 8000144017. The reversal of 8000143990 is 993410008.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5259 + ... + 126601.

It is an arithmetic number, because the mean of its divisors is an integer number (475061760).

Almost surely, 2^8000143990 is an apocalyptic number.

8000143990 is a deficient number, since it is larger than the sum of its proper divisors (7201832330).

8000143990 is a wasteful number, since it uses less digits than its factorization.

8000143990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121716.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 8000143990 is about 89443.5240249399. The cubic root of 8000143990 is about 2000.0119990947.

Adding to 8000143990 its reverse (993410008), we get a palindrome (8993553998).

The spelling of 8000143990 in words is "eight billion, one hundred forty-three thousand, nine hundred ninety".