107990143 has 4 divisors (see below), whose sum is σ = 111473728. Its totient is φ = 104506560.

The previous prime is 107990111. The next prime is 107990147. The reversal of 107990143 is 341099701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107990143 - 2⁵ = 107990111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107990099 and 107990108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107990147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741746 + ... + 1741807.

It is an arithmetic number, because the mean of its divisors is an integer number (27868432).

Almost surely, 2^107990143 is an apocalyptic number.

107990143 is a deficient number, since it is larger than the sum of its proper divisors (3483585).

107990143 is an equidigital number, since it uses as much as digits as its factorization.

107990143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483584.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 107990143 is about 10391.8305894582. The cubic root of 107990143 is about 476.2058271754.

The spelling of 107990143 in words is "one hundred seven million, nine hundred ninety thousand, one hundred forty-three".