202135143402 has 96 divisors (see below), whose sum is σ = 463381776000. Its totient is φ = 63504673920.

The previous prime is 202135143389. The next prime is 202135143437. The reversal of 202135143402 is 204341531202.

202135143402 is a `hidden beast` number, since 2 + 0 + 213 + 5 + 1 + 43 + 402 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 58401952 + ... + 58405412.

It is an arithmetic number, because the mean of its divisors is an integer number (4826893500).

Almost surely, 2^202135143402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202135143402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231690888000).

202135143402 is an abundant number, since it is smaller than the sum of its proper divisors (261246632598).

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

202135143402 is a wasteful number, since it uses less digits than its factorization.

202135143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 202135143402 its reverse (204341531202), we get a palindrome (406476674604).

It can be divided in two parts, 20213 and 5143402, that added together give a palindrome (5163615).

The spelling of 202135143402 in words is "two hundred two billion, one hundred thirty-five million, one hundred forty-three thousand, four hundred two".