141985472879 has 4 divisors (see below), whose sum is σ = 142447966584. Its totient is φ = 141522979176.

The previous prime is 141985472813. The next prime is 141985472899. The reversal of 141985472879 is 978274589141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978274589141 = 31 ⋅31557244811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141985472879 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 (141985472809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231246392 + ... + 231247005.

It is an arithmetic number, because the mean of its divisors is an integer number (35611991646).

Almost surely, 2^141985472879 is an apocalyptic number.

141985472879 is a deficient number, since it is larger than the sum of its proper divisors (462493705).

141985472879 is an equidigital number, since it uses as much as digits as its factorization.

141985472879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462493704.

The product of its digits is 40642560, while the sum is 65.

The spelling of 141985472879 in words is "one hundred forty-one billion, nine hundred eighty-five million, four hundred seventy-two thousand, eight hundred seventy-nine".