16436138 has 16 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 7903200.

The previous prime is 16436137. The next prime is 16436143. The reversal of 16436138 is 83163461.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16436131) 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, 10358 + ... + 11838.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^16436138 is an apocalyptic number.

16436138 is a deficient number, since it is larger than the sum of its proper divisors (9172822).

16436138 is a wasteful number, since it uses less digits than its factorization.

16436138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 10368, while the sum is 32.

The square root of 16436138 is about 4054.1507125414. The cubic root of 16436138 is about 254.2532968275.

Adding to 16436138 its reverse (83163461), we get a palindrome (99599599).

The spelling of 16436138 in words is "sixteen million, four hundred thirty-six thousand, one hundred thirty-eight".