141891589 has 8 divisors (see below), whose sum is σ = 162235008. Its totient is φ = 121566480.

The previous prime is 141891587. The next prime is 141891593. The reversal of 141891589 is 985198141.

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

It is not a de Polignac number, because 141891589 - 2¹ = 141891587 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 (141891587) 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, 23679 + ... + 29059.

It is an arithmetic number, because the mean of its divisors is an integer number (20279376).

Almost surely, 2^141891589 is an apocalyptic number.

141891589 is the 7534-th heptagonal number.

It is an amenable number.

141891589 is a deficient number, since it is larger than the sum of its proper divisors (20343419).

141891589 is an equidigital number, since it uses as much as digits as its factorization.

141891589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its digits is 103680, while the sum is 46.

The square root of 141891589 is about 11911.8255947609. The cubic root of 141891589 is about 521.5775428910.

The spelling of 141891589 in words is "one hundred forty-one million, eight hundred ninety-one thousand, five hundred eighty-nine".