141242729 has 2 divisors, whose sum is σ = 141242730. Its totient is φ = 141242728.

The previous prime is 141242719. The next prime is 141242779. The reversal of 141242729 is 927242141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138768400 + 2474329 = 11780^2 + 1573^2 .

It is a cyclic number.

It is not a de Polignac number, because 141242729 - 2²⁴ = 124465513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141242695 and 141242704.

It is not a weakly prime, because it can be changed into another prime (141242719) 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, 70621364 + 70621365.

It is an arithmetic number, because the mean of its divisors is an integer number (70621365).

Almost surely, 2^141242729 is an apocalyptic number.

It is an amenable number.

141242729 is a deficient number, since it is larger than the sum of its proper divisors (1).

141242729 is an equidigital number, since it uses as much as digits as its factorization.

141242729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 141242729 is about 11884.5584267990. The cubic root of 141242729 is about 520.7812824157.

The spelling of 141242729 in words is "one hundred forty-one million, two hundred forty-two thousand, seven hundred twenty-nine".