141239591 has 2 divisors, whose sum is σ = 141239592. Its totient is φ = 141239590.

The previous prime is 141239557. The next prime is 141239603. The reversal of 141239591 is 195932141.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141239591 - 2²² = 137045287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141239531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70619795 + 70619796.

It is an arithmetic number, because the mean of its divisors is an integer number (70619796).

Almost surely, 2^141239591 is an apocalyptic number.

141239591 is a deficient number, since it is larger than the sum of its proper divisors (1).

141239591 is an equidigital number, since it uses as much as digits as its factorization.

141239591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 141239591 is about 11884.4264060156. The cubic root of 141239591 is about 520.7774256420. Note that the first 3 decimals are identical.

The spelling of 141239591 in words is "one hundred forty-one million, two hundred thirty-nine thousand, five hundred ninety-one".