141000004991 has 4 divisors (see below), whose sum is σ = 142584274800. Its totient is φ = 139415735184.

The previous prime is 141000004949. The next prime is 141000004993. The reversal of 141000004991 is 199400000141.

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 141000004991 - 2¹⁸ = 140999742847 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 (141000004993) 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, 792134771 + ... + 792134948.

It is an arithmetic number, because the mean of its divisors is an integer number (35646068700).

Almost surely, 2^141000004991 is an apocalyptic number.

141000004991 is a deficient number, since it is larger than the sum of its proper divisors (1584269809).

141000004991 is an equidigital number, since it uses as much as digits as its factorization.

141000004991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584269808.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 141000004991 in words is "one hundred forty-one billion, four thousand, nine hundred ninety-one".