141291987 has 8 divisors (see below), whose sum is σ = 188487936. Its totient is φ = 94145352.

The previous prime is 141291959. The next prime is 141291991. The reversal of 141291987 is 789192141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141291987 - 2⁷ = 141291859 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (141291287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (23560992).

Almost surely, 2^141291987 is an apocalyptic number.

141291987 is a deficient number, since it is larger than the sum of its proper divisors (47195949).

141291987 is a wasteful number, since it uses less digits than its factorization.

141291987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657.

The product of its digits is 36288, while the sum is 42.

The square root of 141291987 is about 11886.6305991227. The cubic root of 141291987 is about 520.8418157097.

The spelling of 141291987 in words is "one hundred forty-one million, two hundred ninety-one thousand, nine hundred eighty-seven".