141387391 has 2 divisors, whose sum is σ = 141387392. Its totient is φ = 141387390.

The previous prime is 141387359. The next prime is 141387403. The reversal of 141387391 is 193783141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141387391 - 2⁵ = 141387359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141387391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141387331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70693695 + 70693696.

It is an arithmetic number, because the mean of its divisors is an integer number (70693696).

Almost surely, 2^141387391 is an apocalyptic number.

141387391 is a deficient number, since it is larger than the sum of its proper divisors (1).

141387391 is an equidigital number, since it uses as much as digits as its factorization.

141387391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 141387391 is about 11890.6430019575. The cubic root of 141387391 is about 520.9590179511.

It can be divided in two parts, 141387 and 391, that added together give a triangular number (141778 = T₅₃₂).

The spelling of 141387391 in words is "one hundred forty-one million, three hundred eighty-seven thousand, three hundred ninety-one".