141996971 has 6 divisors (see below), whose sum is σ = 150841380. Its totient is φ = 133643936.

The previous prime is 141996949. The next prime is 141996973. The reversal of 141996971 is 179699141.

It is a de Polignac number, because none of the positive numbers 2^k-141996971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141996973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245381 + ... + 245958.

It is an arithmetic number, because the mean of its divisors is an integer number (25140230).

Almost surely, 2^141996971 is an apocalyptic number.

141996971 is a deficient number, since it is larger than the sum of its proper divisors (8844409).

141996971 is an equidigital number, since it uses as much as digits as its factorization.

141996971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491373 (or 491356 counting only the distinct ones).

The product of its digits is 122472, while the sum is 47.

The square root of 141996971 is about 11916.2481931185. The cubic root of 141996971 is about 521.7066350692.

The spelling of 141996971 in words is "one hundred forty-one million, nine hundred ninety-six thousand, nine hundred seventy-one".