146013730 has 16 divisors (see below), whose sum is σ = 264347064. Its totient is φ = 58067200.

The previous prime is 146013719. The next prime is 146013733. The reversal of 146013730 is 37310641.

It can be written as a sum of positive squares in 4 ways, for example, as 109809441 + 36204289 = 10479^2 + 6017^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146013695 and 146013704.

It is not an unprimeable number, because it can be changed into a prime (146013733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40471 + ... + 43930.

Almost surely, 2^146013730 is an apocalyptic number.

146013730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146013730 is a deficient number, since it is larger than the sum of its proper divisors (118333334).

146013730 is a wasteful number, since it uses less digits than its factorization.

146013730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84581.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 146013730 is about 12083.6141116803. The cubic root of 146013730 is about 526.5802485102.

The spelling of 146013730 in words is "one hundred forty-six million, thirteen thousand, seven hundred thirty".