202135135404 has 48 divisors (see below), whose sum is σ = 496510543872. Its totient is φ = 63878529792.

The previous prime is 202135135399. The next prime is 202135135459. The reversal of 202135135404 is 404531531202.

It is a super-2 number, since 2×202135135404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3209404 + ... + 3271779.

It is an arithmetic number, because the mean of its divisors is an integer number (10343969664).

Almost surely, 2^202135135404 is an apocalyptic number.

It is an amenable number.

202135135404 is an abundant number, since it is smaller than the sum of its proper divisors (294375408468).

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

202135135404 is a wasteful number, since it uses less digits than its factorization.

202135135404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481326 (or 6481324 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 202135135404 its reverse (404531531202), we get a palindrome (606666666606).

The spelling of 202135135404 in words is "two hundred two billion, one hundred thirty-five million, one hundred thirty-five thousand, four hundred four".