141099989 has 2 divisors, whose sum is σ = 141099990. Its totient is φ = 141099988.

The previous prime is 141099979. The next prime is 141099991. The reversal of 141099989 is 989990141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120077764 + 21022225 = 10958^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 141099989 - 2¹² = 141095893 is a prime.

It is a Sophie Germain prime.

Together with 141099991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141099919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70549994 + 70549995.

It is an arithmetic number, because the mean of its divisors is an integer number (70549995).

Almost surely, 2^141099989 is an apocalyptic number.

It is an amenable number.

141099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

141099989 is an equidigital number, since it uses as much as digits as its factorization.

141099989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 50.

The square root of 141099989 is about 11878.5516372999. The cubic root of 141099989 is about 520.6057893094.

The spelling of 141099989 in words is "one hundred forty-one million, ninety-nine thousand, nine hundred eighty-nine".