141991067 has 4 divisors (see below), whose sum is σ = 146571456. Its totient is φ = 137410680.

The previous prime is 141991063. The next prime is 141991079. The reversal of 141991067 is 760199141.

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 141991067 - 2² = 141991063 is a prime.

It is a super-2 number, since 2×141991067² = 40322926215596978, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 141991067.

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, 2290148 + ... + 2290209.

It is an arithmetic number, because the mean of its divisors is an integer number (36642864).

Almost surely, 2^141991067 is an apocalyptic number.

141991067 is a deficient number, since it is larger than the sum of its proper divisors (4580389).

141991067 is an equidigital number, since it uses as much as digits as its factorization.

141991067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580388.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 141991067 is about 11916.0004615643. Note that the first 3 decimals coincide. The cubic root of 141991067 is about 521.6994044017.

The spelling of 141991067 in words is "one hundred forty-one million, nine hundred ninety-one thousand, sixty-seven".