36513838 has 4 divisors (see below), whose sum is σ = 54770760. Its totient is φ = 18256918.

The previous prime is 36513817. The next prime is 36513847. The reversal of 36513838 is 83831563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83831563 = 157 ⋅533959.

It is a junction number, because it is equal to n+sod(n) for n = 36513797 and 36513806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9128458 + ... + 9128461.

It is an arithmetic number, because the mean of its divisors is an integer number (13692690).

Almost surely, 2^36513838 is an apocalyptic number.

36513838 is a deficient number, since it is larger than the sum of its proper divisors (18256922).

36513838 is a wasteful number, since it uses less digits than its factorization.

36513838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18256921.

The product of its digits is 51840, while the sum is 37.

The square root of 36513838 is about 6042.6681192996. The cubic root of 36513838 is about 331.7562867613.

The spelling of 36513838 in words is "thirty-six million, five hundred thirteen thousand, eight hundred thirty-eight".