141391 has 4 divisors (see below), whose sum is σ = 145984. Its totient is φ = 136800.

The previous prime is 141371. The next prime is 141397. The reversal of 141391 is 193141.

141391 = 151² + 152² + ... + 156².

It is a happy number.

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 141391 - 2⁵ = 141359 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 (141397) 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, 2250 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (36496).

2¹⁴¹³⁹¹ is an apocalyptic number.

141391 is a deficient number, since it is larger than the sum of its proper divisors (4593).

141391 is an equidigital number, since it uses as much as digits as its factorization.

141391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592.

The product of its digits is 108, while the sum is 19.

The square root of 141391 is about 376.0199462794. The cubic root of 141391 is about 52.0963450513.

The spelling of 141391 in words is "one hundred forty-one thousand, three hundred ninety-one".