16274139 has 8 divisors (see below), whose sum is σ = 24798720. Its totient is φ = 9299496.

The previous prime is 16274119. The next prime is 16274183. The reversal of 16274139 is 93147261.

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

It is not a de Polignac number, because 16274139 - 2⁵ = 16274107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16274119) 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, 387459 + ... + 387500.

It is an arithmetic number, because the mean of its divisors is an integer number (3099840).

Almost surely, 2^16274139 is an apocalyptic number.

16274139 is a deficient number, since it is larger than the sum of its proper divisors (8524581).

16274139 is an equidigital number, since it uses as much as digits as its factorization.

16274139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774969.

The product of its digits is 9072, while the sum is 33.

The square root of 16274139 is about 4034.1218375255. The cubic root of 16274139 is about 253.4152076468.

The spelling of 16274139 in words is "sixteen million, two hundred seventy-four thousand, one hundred thirty-nine".