141371987 has 4 divisors (see below), whose sum is σ = 141440520. Its totient is φ = 141303456.

The previous prime is 141371981. The next prime is 141372029. The reversal of 141371987 is 789173141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789173141 = 4177 ⋅188933.

It is a cyclic number.

It is not a de Polignac number, because 141371987 - 2¹⁴ = 141355603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141371981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31073 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (35360130).

Almost surely, 2^141371987 is an apocalyptic number.

141371987 is a deficient number, since it is larger than the sum of its proper divisors (68533).

141371987 is an equidigital number, since it uses as much as digits as its factorization.

141371987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68532.

The product of its digits is 42336, while the sum is 41.

The square root of 141371987 is about 11889.9952481067. The cubic root of 141371987 is about 520.9400979609.

The spelling of 141371987 in words is "one hundred forty-one million, three hundred seventy-one thousand, nine hundred eighty-seven".