146701729 has 2 divisors, whose sum is σ = 146701730. Its totient is φ = 146701728.

The previous prime is 146701727. The next prime is 146701739. The reversal of 146701729 is 927107641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 51151104 = 9775^2 + 7152^2 .

It is a cyclic number.

It is not a de Polignac number, because 146701729 - 2¹ = 146701727 is a prime.

Together with 146701727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146701727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73350864 + 73350865.

It is an arithmetic number, because the mean of its divisors is an integer number (73350865).

Almost surely, 2^146701729 is an apocalyptic number.

It is an amenable number.

146701729 is a deficient number, since it is larger than the sum of its proper divisors (1).

146701729 is an equidigital number, since it uses as much as digits as its factorization.

146701729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 146701729 is about 12112.0489183292. The cubic root of 146701729 is about 527.4060136678.

The spelling of 146701729 in words is "one hundred forty-six million, seven hundred one thousand, seven hundred twenty-nine".