36718138 has 4 divisors (see below), whose sum is σ = 55077210. Its totient is φ = 18359068.

The previous prime is 36718117. The next prime is 36718153. The reversal of 36718138 is 83181763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 10738729 = 5097^2 + 3277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36718097 and 36718106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9179533 + ... + 9179536.

Almost surely, 2^36718138 is an apocalyptic number.

36718138 is a deficient number, since it is larger than the sum of its proper divisors (18359072).

36718138 is a wasteful number, since it uses less digits than its factorization.

36718138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18359071.

The product of its digits is 24192, while the sum is 37.

The square root of 36718138 is about 6059.5493231758. The cubic root of 36718138 is about 332.3738772037.

It can be divided in two parts, 36718 and 138, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 36718138 in words is "thirty-six million, seven hundred eighteen thousand, one hundred thirty-eight".