28126136 has 16 divisors (see below), whose sum is σ = 53330400. Its totient is φ = 13904704.

The previous prime is 28126121. The next prime is 28126141. The reversal of 28126136 is 63162182.

It is a junction number, because it is equal to n+sod(n) for n = 28126099 and 28126108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19040 + ... + 20463.

It is an arithmetic number, because the mean of its divisors is an integer number (3333150).

Almost surely, 2^28126136 is an apocalyptic number.

It is an amenable number.

28126136 is a deficient number, since it is larger than the sum of its proper divisors (25204264).

28126136 is a wasteful number, since it uses less digits than its factorization.

28126136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39598 (or 39594 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 28126136 is about 5303.4079609247. The cubic root of 28126136 is about 304.1141941718.

The spelling of 28126136 in words is "twenty-eight million, one hundred twenty-six thousand, one hundred thirty-six".