141863947 has 4 divisors (see below), whose sum is σ = 142457760. Its totient is φ = 141270136.

The previous prime is 141863933. The next prime is 141864007. The reversal of 141863947 is 749368141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141863947 - 2⁷ = 141863819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141863047) 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, 296548 + ... + 297025.

It is an arithmetic number, because the mean of its divisors is an integer number (35614440).

Almost surely, 2^141863947 is an apocalyptic number.

141863947 is a deficient number, since it is larger than the sum of its proper divisors (593813).

141863947 is an equidigital number, since it uses as much as digits as its factorization.

141863947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593812.

The product of its digits is 145152, while the sum is 43.

The square root of 141863947 is about 11910.6652626963. The cubic root of 141863947 is about 521.5436710624.

The spelling of 141863947 in words is "one hundred forty-one million, eight hundred sixty-three thousand, nine hundred forty-seven".