146729 has 4 divisors (see below), whose sum is σ = 160080. Its totient is φ = 133380.

The previous prime is 146719. The next prime is 146743. The reversal of 146729 is 927641.

146729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146719) 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, 6659 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (40020).

2¹⁴⁶⁷²⁹ is an apocalyptic number.

It is an amenable number.

146729 is a deficient number, since it is larger than the sum of its proper divisors (13351).

146729 is a wasteful number, since it uses less digits than its factorization.

146729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13350.

The product of its digits is 3024, while the sum is 29.

The square root of 146729 is about 383.0522157618. The cubic root of 146729 is about 52.7438692215.

The spelling of 146729 in words is "one hundred forty-six thousand, seven hundred twenty-nine".