18900135883 has 8 divisors (see below), whose sum is σ = 20286045648. Its totient is φ = 17544685824.

The previous prime is 18900135869. The next prime is 18900135901. The reversal of 18900135883 is 38853100981.

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

It is a cyclic number.

It is not a de Polignac number, because 18900135883 - 2¹⁷ = 18900004811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18900135823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613641 + ... + 7616122.

It is an arithmetic number, because the mean of its divisors is an integer number (2535755706).

Almost surely, 2^18900135883 is an apocalyptic number.

18900135883 is a deficient number, since it is larger than the sum of its proper divisors (1385909765).

18900135883 is a wasteful number, since it uses less digits than its factorization.

18900135883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15229853.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 18900135883 in words is "eighteen billion, nine hundred million, one hundred thirty-five thousand, eight hundred eighty-three".