1804135038 has 8 divisors (see below), whose sum is σ = 3608270088. Its totient is φ = 601378344.

The previous prime is 1804135031. The next prime is 1804135043. The reversal of 1804135038 is 8305314081.

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

1804135038 is an admirable number.

It is a super-2 number, since 2×1804135038² = 6509806470678522888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804135031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150344581 + ... + 150344592.

It is an arithmetic number, because the mean of its divisors is an integer number (451033761).

Almost surely, 2^1804135038 is an apocalyptic number.

1804135038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1804135038 is a wasteful number, since it uses less digits than its factorization.

1804135038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300689178.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1804135038 is about 42475.1108062121. The cubic root of 1804135038 is about 1217.3711732723.

The spelling of 1804135038 in words is "one billion, eight hundred four million, one hundred thirty-five thousand, thirty-eight".