36428138 has 16 divisors (see below), whose sum is σ = 56085216. Its totient is φ = 17735760.

The previous prime is 36428137. The next prime is 36428143. The reversal of 36428138 is 83182463.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 36428098 and 36428107.

It is not an unprimeable number, because it can be changed into a prime (36428137) 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, 52373 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (3505326).

Almost surely, 2^36428138 is an apocalyptic number.

36428138 is a deficient number, since it is larger than the sum of its proper divisors (19657078).

36428138 is a wasteful number, since it uses less digits than its factorization.

36428138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 27648, while the sum is 35.

The square root of 36428138 is about 6035.5727151613. The cubic root of 36428138 is about 331.4965333104.

The spelling of 36428138 in words is "thirty-six million, four hundred twenty-eight thousand, one hundred thirty-eight".