36181426 has 8 divisors (see below), whose sum is σ = 54668700. Its totient is φ = 17958528.

The previous prime is 36181421. The next prime is 36181459. The reversal of 36181426 is 62418163.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 361201 = 5985^2 + 601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (36181421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65751 + ... + 66298.

Almost surely, 2^36181426 is an apocalyptic number.

36181426 is a deficient number, since it is larger than the sum of its proper divisors (18487274).

36181426 is a wasteful number, since it uses less digits than its factorization.

36181426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132188.

The product of its digits is 6912, while the sum is 31.

The square root of 36181426 is about 6015.0998329205. The cubic root of 36181426 is about 330.7464766725.

Adding to 36181426 its reverse (62418163), we get a palindrome (98599589).

The spelling of 36181426 in words is "thirty-six million, one hundred eighty-one thousand, four hundred twenty-six".