28135119 has 16 divisors (see below), whose sum is σ = 39862368. Its totient is φ = 17590272.

The previous prime is 28135111. The next prime is 28135147. The reversal of 28135119 is 91153182.

It is not a de Polignac number, because 28135119 - 2³ = 28135111 is a prime.

It is a super-2 number, since 2×28135119² = 1583169842288322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28135111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16369 + ... + 18005.

It is an arithmetic number, because the mean of its divisors is an integer number (2491398).

Almost surely, 2^28135119 is an apocalyptic number.

28135119 is a deficient number, since it is larger than the sum of its proper divisors (11727249).

28135119 is a wasteful number, since it uses less digits than its factorization.

28135119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 2160, while the sum is 30.

The square root of 28135119 is about 5304.2548015720. The cubic root of 28135119 is about 304.1465669919.

The spelling of 28135119 in words is "twenty-eight million, one hundred thirty-five thousand, one hundred nineteen".