1830361138 has 8 divisors (see below), whose sum is σ = 2803957632. Its totient is φ = 895708596.

The previous prime is 1830361123. The next prime is 1830361139. The reversal of 1830361138 is 8311630381.

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 (1830361139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9735870 + ... + 9736057.

It is an arithmetic number, because the mean of its divisors is an integer number (350494704).

Almost surely, 2^1830361138 is an apocalyptic number.

1830361138 is a deficient number, since it is larger than the sum of its proper divisors (973596494).

1830361138 is a wasteful number, since it uses less digits than its factorization.

1830361138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471976.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1830361138 is about 42782.7200865022. The cubic root of 1830361138 is about 1223.2416562369.

The spelling of 1830361138 in words is "one billion, eight hundred thirty million, three hundred sixty-one thousand, one hundred thirty-eight".