16138754 has 4 divisors (see below), whose sum is σ = 24208134. Its totient is φ = 8069376.

The previous prime is 16138753. The next prime is 16138777. The reversal of 16138754 is 45783161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45783161 = 109 ⋅420029.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 354025 = 3973^2 + 595^2 .

It is not an unprimeable number, because it can be changed into a prime (16138751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4034687 + ... + 4034690.

Almost surely, 2^16138754 is an apocalyptic number.

16138754 is a deficient number, since it is larger than the sum of its proper divisors (8069380).

16138754 is an equidigital number, since it uses as much as digits as its factorization.

16138754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069379.

The product of its digits is 20160, while the sum is 35.

The square root of 16138754 is about 4017.3068092940. The cubic root of 16138754 is about 252.7105272918.

The spelling of 16138754 in words is "sixteen million, one hundred thirty-eight thousand, seven hundred fifty-four".