1863100138 has 8 divisors (see below), whose sum is σ = 2941737120. Its totient is φ = 882521100.

The previous prime is 1863100121. The next prime is 1863100139. The reversal of 1863100138 is 8310013681.

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

It is a super-2 number, since 2×1863100138² = 6942284248431238088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1863100139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24514438 + ... + 24514513.

It is an arithmetic number, because the mean of its divisors is an integer number (367717140).

Almost surely, 2^1863100138 is an apocalyptic number.

1863100138 is a deficient number, since it is larger than the sum of its proper divisors (1078636982).

1863100138 is a wasteful number, since it uses less digits than its factorization.

1863100138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49028972.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1863100138 is about 43163.6437062489. The cubic root of 1863100138 is about 1230.4918248179.

The spelling of 1863100138 in words is "one billion, eight hundred sixty-three million, one hundred thousand, one hundred thirty-eight".