16138146 has 8 divisors (see below), whose sum is σ = 32276304. Its totient is φ = 5379380.

The previous prime is 16138139. The next prime is 16138169. The reversal of 16138146 is 64183161.

It is a sphenic number, since it is the product of 3 distinct primes.

16138146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344840 + ... + 1344851.

It is an arithmetic number, because the mean of its divisors is an integer number (4034538).

Almost surely, 2^16138146 is an apocalyptic number.

16138146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16138146 is a wasteful number, since it uses less digits than its factorization.

16138146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689696.

The product of its digits is 3456, while the sum is 30.

The square root of 16138146 is about 4017.2311359940. The cubic root of 16138146 is about 252.7073537728.

The spelling of 16138146 in words is "sixteen million, one hundred thirty-eight thousand, one hundred forty-six".