36129994 has 8 divisors (see below), whose sum is σ = 55217700. Its totient is φ = 17724096.

The previous prime is 36129971. The next prime is 36130013. The reversal of 36129994 is 49992163.

It can be written as a sum of positive squares in 2 ways, for example, as 33489369 + 2640625 = 5787^2 + 1625^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 36129994.

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, 170319 + ... + 170530.

Almost surely, 2^36129994 is an apocalyptic number.

36129994 is a deficient number, since it is larger than the sum of its proper divisors (19087706).

36129994 is a wasteful number, since it uses less digits than its factorization.

36129994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340904.

The product of its digits is 104976, while the sum is 43.

The square root of 36129994 is about 6010.8230717598. The cubic root of 36129994 is about 330.5896833357.

The spelling of 36129994 in words is "thirty-six million, one hundred twenty-nine thousand, nine hundred ninety-four".