16135272 has 24 divisors (see below), whose sum is σ = 43699890. Its totient is φ = 5378400.

The previous prime is 16135253. The next prime is 16135289. The reversal of 16135272 is 27253161.

It is a happy number.

16135272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 3218436 = 3594^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111979 + ... + 112122.

Almost surely, 2^16135272 is an apocalyptic number.

16135272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16135272 is an abundant number, since it is smaller than the sum of its proper divisors (27564618).

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

16135272 is a wasteful number, since it uses less digits than its factorization.

16135272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224113 (or 224106 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 16135272 is about 4016.8734110002. The cubic root of 16135272 is about 252.6923515527.

The spelling of 16135272 in words is "sixteen million, one hundred thirty-five thousand, two hundred seventy-two".