16140398 has 8 divisors (see below), whose sum is σ = 24991680. Its totient is φ = 7809840.

The previous prime is 16140391. The next prime is 16140403. The reversal of 16140398 is 89304161.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140391) 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 3 ways as a sum of consecutive naturals, for example, 130103 + ... + 130226.

It is an arithmetic number, because the mean of its divisors is an integer number (3123960).

Almost surely, 2^16140398 is an apocalyptic number.

16140398 is a deficient number, since it is larger than the sum of its proper divisors (8851282).

16140398 is a wasteful number, since it uses less digits than its factorization.

16140398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260362.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16140398 is about 4017.5114187766. The cubic root of 16140398 is about 252.7191079212.

The spelling of 16140398 in words is "sixteen million, one hundred forty thousand, three hundred ninety-eight".