206141729 has 4 divisors (see below), whose sum is σ = 206220480. Its totient is φ = 206062980.

The previous prime is 206141717. The next prime is 206141759. The reversal of 206141729 is 927141602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927141602 = 2 ⋅463570801.

It is a cyclic number.

It is not a de Polignac number, because 206141729 - 2⁴ = 206141713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206141695 and 206141704.

It is not an unprimeable number, because it can be changed into a prime (206141759) 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, 35309 + ... + 40730.

It is an arithmetic number, because the mean of its divisors is an integer number (51555120).

Almost surely, 2^206141729 is an apocalyptic number.

It is an amenable number.

206141729 is a deficient number, since it is larger than the sum of its proper divisors (78751).

206141729 is an equidigital number, since it uses as much as digits as its factorization.

206141729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78750.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 206141729 is about 14357.6366091359. The cubic root of 206141729 is about 590.7294711720.

The spelling of 206141729 in words is "two hundred six million, one hundred forty-one thousand, seven hundred twenty-nine".