141729491 has 2 divisors, whose sum is σ = 141729492. Its totient is φ = 141729490.

The previous prime is 141729463. The next prime is 141729503. The reversal of 141729491 is 194927141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141729491 is a prime.

It is not a weakly prime, because it can be changed into another prime (141729421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70864745 + 70864746.

It is an arithmetic number, because the mean of its divisors is an integer number (70864746).

Almost surely, 2^141729491 is an apocalyptic number.

141729491 is a deficient number, since it is larger than the sum of its proper divisors (1).

141729491 is an equidigital number, since it uses as much as digits as its factorization.

141729491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 141729491 is about 11905.0195715925. The cubic root of 141729491 is about 521.3788491954.

The spelling of 141729491 in words is "one hundred forty-one million, seven hundred twenty-nine thousand, four hundred ninety-one".