146729117 has 2 divisors, whose sum is σ = 146729118. Its totient is φ = 146729116.

The previous prime is 146729113. The next prime is 146729123. The reversal of 146729117 is 711927641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146071396 + 657721 = 12086^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 146729117 - 2² = 146729113 is a prime.

It is a super-3 number, since 3×146729117³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146729113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73364558 + 73364559.

It is an arithmetic number, because the mean of its divisors is an integer number (73364559).

Almost surely, 2^146729117 is an apocalyptic number.

It is an amenable number.

146729117 is a deficient number, since it is larger than the sum of its proper divisors (1).

146729117 is an equidigital number, since it uses as much as digits as its factorization.

146729117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 146729117 is about 12113.1794752658. The cubic root of 146729117 is about 527.4388324064.

The spelling of 146729117 in words is "one hundred forty-six million, seven hundred twenty-nine thousand, one hundred seventeen".