16138254 has 24 divisors (see below), whose sum is σ = 35479080. Its totient is φ = 4890160.

The previous prime is 16138247. The next prime is 16138261. The reversal of 16138254 is 45283161.

It is an interprime number because it is at equal distance from previous prime (16138247) and next prime (16138261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10389 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (1478295).

Almost surely, 2^16138254 is an apocalyptic number.

16138254 is an abundant number, since it is smaller than the sum of its proper divisors (19340826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16138254 is a wasteful number, since it uses less digits than its factorization.

16138254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22256 (or 22245 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 16138254 is about 4017.2445780659. The cubic root of 16138254 is about 252.7079174958.

The spelling of 16138254 in words is "sixteen million, one hundred thirty-eight thousand, two hundred fifty-four".