13500146 has 16 divisors (see below), whose sum is σ = 23254560. Its totient is φ = 5813280.

The previous prime is 13500133. The next prime is 13500163. The reversal of 13500146 is 64100531.

It is a super-3 number, since 3×13500146³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (1453410).

Almost surely, 2^13500146 is an apocalyptic number.

13500146 is a deficient number, since it is larger than the sum of its proper divisors (9754414).

13500146 is a wasteful number, since it uses less digits than its factorization.

13500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32329.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13500146 is about 3674.2544822045. The cubic root of 13500146 is about 238.1110161646. Note that the first 3 decimals are identical.

Adding to 13500146 its reverse (64100531), we get a palindrome (77600677).

The spelling of 13500146 in words is "thirteen million, five hundred thousand, one hundred forty-six".