18182940130 has 8 divisors (see below), whose sum is σ = 32729292252. Its totient is φ = 7273176048.

The previous prime is 18182940119. The next prime is 18182940143. The reversal of 18182940130 is 3104928181.

It can be written as a sum of positive squares in 2 ways, for example, as 15878268081 + 2304672049 = 126009^2 + 48007^2 .

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 18182940130.

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, 909146997 + ... + 909147016.

Almost surely, 2^18182940130 is an apocalyptic number.

18182940130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18182940130 is a deficient number, since it is larger than the sum of its proper divisors (14546352122).

18182940130 is a wasteful number, since it uses less digits than its factorization.

18182940130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818294020.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 18182940130 in words is "eighteen billion, one hundred eighty-two million, nine hundred forty thousand, one hundred thirty".