16136394 has 8 divisors (see below), whose sum is σ = 32272800. Its totient is φ = 5378796.

The previous prime is 16136381. The next prime is 16136413. The reversal of 16136394 is 49363161.

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

16136394 is an admirable number.

It is a super-2 number, since 2×16136394² = 520766422646472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344694 + ... + 1344705.

It is an arithmetic number, because the mean of its divisors is an integer number (4034100).

Almost surely, 2^16136394 is an apocalyptic number.

16136394 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.

16136394 is a wasteful number, since it uses less digits than its factorization.

16136394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689404.

The product of its digits is 11664, while the sum is 33.

The square root of 16136394 is about 4017.0130694336. The cubic root of 16136394 is about 252.6982085813.

The spelling of 16136394 in words is "sixteen million, one hundred thirty-six thousand, three hundred ninety-four".