16139941 has 8 divisors (see below), whose sum is σ = 16548480. Its totient is φ = 15734208.

The previous prime is 16139939. The next prime is 16139969. The reversal of 16139941 is 14993161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16139941 - 2¹ = 16139939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16139897 and 16139906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15330 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (2068560).

Almost surely, 2^16139941 is an apocalyptic number.

It is an amenable number.

16139941 is a deficient number, since it is larger than the sum of its proper divisors (408539).

16139941 is a wasteful number, since it uses less digits than its factorization.

16139941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its digits is 5832, while the sum is 34.

The square root of 16139941 is about 4017.4545423688. The cubic root of 16139941 is about 252.7167227317.

The spelling of 16139941 in words is "sixteen million, one hundred thirty-nine thousand, nine hundred forty-one".