141863971 has 4 divisors (see below), whose sum is σ = 141887952. Its totient is φ = 141839992.

The previous prime is 141863933. The next prime is 141864007. The reversal of 141863971 is 179368141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 179368141 = 4099 ⋅43759.

It is a cyclic number.

It is not a de Polignac number, because 141863971 - 2¹⁵ = 141831203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141864971) 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, 3930 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (35471988).

Almost surely, 2^141863971 is an apocalyptic number.

141863971 is a deficient number, since it is larger than the sum of its proper divisors (23981).

141863971 is a wasteful number, since it uses less digits than its factorization.

141863971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23980.

The product of its digits is 36288, while the sum is 40.

The square root of 141863971 is about 11910.6662701966. Note that the first 3 decimals coincide. The cubic root of 141863971 is about 521.5437004733.

The spelling of 141863971 in words is "one hundred forty-one million, eight hundred sixty-three thousand, nine hundred seventy-one".