16140207 has 8 divisors (see below), whose sum is σ = 21544960. Its totient is φ = 10747800.

The previous prime is 16140193. The next prime is 16140209. The reversal of 16140207 is 70204161.

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

It is not a de Polignac number, because 16140207 - 2⁷ = 16140079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140209) 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, 594 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (2693120).

Almost surely, 2^16140207 is an apocalyptic number.

16140207 is a deficient number, since it is larger than the sum of its proper divisors (5404753).

16140207 is a wasteful number, since it uses less digits than its factorization.

16140207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16140207 is about 4017.4876477719. The cubic root of 16140207 is about 252.7181110532.

Adding to 16140207 its reverse (70204161), we get a palindrome (86344368).

The spelling of 16140207 in words is "sixteen million, one hundred forty thousand, two hundred seven".