1802135004 has 24 divisors (see below), whose sum is σ = 4208187648. Its totient is φ = 600253680.

The previous prime is 1802135003. The next prime is 1802135057. The reversal of 1802135004 is 4005312081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802135003) 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, 40662 + ... + 72509.

It is an arithmetic number, because the mean of its divisors is an integer number (175341152).

Almost surely, 2^1802135004 is an apocalyptic number.

It is an amenable number.

1802135004 is an abundant number, since it is smaller than the sum of its proper divisors (2406052644).

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

1802135004 is a wasteful number, since it uses less digits than its factorization.

1802135004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114505 (or 114503 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1802135004 is about 42451.5606780245. The cubic root of 1802135004 is about 1216.9211544802.

Adding to 1802135004 its reverse (4005312081), we get a palindrome (5807447085).

The spelling of 1802135004 in words is "one billion, eight hundred two million, one hundred thirty-five thousand, four".