141991068 has 12 divisors (see below), whose sum is σ = 331312520. Its totient is φ = 47330352.

The previous prime is 141991063. The next prime is 141991079. The reversal of 141991068 is 860199141.

141991068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×141991068² = 40322926783561248, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141991063) 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, 5916283 + ... + 5916306.

Almost surely, 2^141991068 is an apocalyptic number.

It is an amenable number.

141991068 is an abundant number, since it is smaller than the sum of its proper divisors (189321452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141991068 is a wasteful number, since it uses less digits than its factorization.

141991068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832596 (or 11832594 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 141991068 is about 11916.0005035247. Note that the first 3 decimals coincide. The cubic root of 141991068 is about 521.6994056264.

The spelling of 141991068 in words is "one hundred forty-one million, nine hundred ninety-one thousand, sixty-eight".