141021985 has 32 divisors (see below), whose sum is σ = 188762112. Its totient is φ = 100465920.

The previous prime is 141021961. The next prime is 141021997. The reversal of 141021985 is 589120141.

It is a happy number.

It is not a de Polignac number, because 141021985 - 2¹⁹ = 140497697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 459202 + ... + 459508.

It is an arithmetic number, because the mean of its divisors is an integer number (5898816).

Almost surely, 2^141021985 is an apocalyptic number.

It is an amenable number.

141021985 is a deficient number, since it is larger than the sum of its proper divisors (47740127).

141021985 is a wasteful number, since it uses less digits than its factorization.

141021985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 141021985 is about 11875.2677864543. The cubic root of 141021985 is about 520.5098365034.

The spelling of 141021985 in words is "one hundred forty-one million, twenty-one thousand, nine hundred eighty-five".