141839989 has 4 divisors (see below), whose sum is σ = 142242156. Its totient is φ = 141437824.

The previous prime is 141839987. The next prime is 141840001. The reversal of 141839989 is 989938141.

141839989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21762225 + 120077764 = 4665^2 + 10958^2 .

It is a cyclic number.

It is not a de Polignac number, because 141839989 - 2¹ = 141839987 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 (141839983) 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, 200554 + ... + 201259.

It is an arithmetic number, because the mean of its divisors is an integer number (35560539).

Almost surely, 2^141839989 is an apocalyptic number.

It is an amenable number.

141839989 is a deficient number, since it is larger than the sum of its proper divisors (402167).

141839989 is an equidigital number, since it uses as much as digits as its factorization.

141839989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402166.

The product of its digits is 559872, while the sum is 52.

The square root of 141839989 is about 11909.6594829575. The cubic root of 141839989 is about 521.5143099574.

The spelling of 141839989 in words is "one hundred forty-one million, eight hundred thirty-nine thousand, nine hundred eighty-nine".