141891287 has 8 divisors (see below), whose sum is σ = 146921040. Its totient is φ = 136870720.

The previous prime is 141891257. The next prime is 141891289. The reversal of 141891287 is 782198141.

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

It is not a de Polignac number, because 141891287 - 2⁶ = 141891223 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 (141891289) 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, 48488 + ... + 51330.

It is an arithmetic number, because the mean of its divisors is an integer number (18365130).

Almost surely, 2^141891287 is an apocalyptic number.

141891287 is a deficient number, since it is larger than the sum of its proper divisors (5029753).

141891287 is a wasteful number, since it uses less digits than its factorization.

141891287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593.

The product of its digits is 32256, while the sum is 41.

The square root of 141891287 is about 11911.8129182757. The cubic root of 141891287 is about 521.5771728514.

The spelling of 141891287 in words is "one hundred forty-one million, eight hundred ninety-one thousand, two hundred eighty-seven".