420134135202 has 32 divisors (see below), whose sum is σ = 937076578560. Its totient is φ = 139527936720.

The previous prime is 420134135171. The next prime is 420134135207. The reversal of 420134135202 is 202531431024.

420134135202 is a `hidden beast` number, since 4 + 2 + 0 + 134 + 1 + 3 + 520 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (420134135207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14340093 + ... + 14369360.

It is an arithmetic number, because the mean of its divisors is an integer number (29283643080).

Almost surely, 2^420134135202 is an apocalyptic number.

420134135202 is an abundant number, since it is smaller than the sum of its proper divisors (516942443358).

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

420134135202 is a wasteful number, since it uses less digits than its factorization.

420134135202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28709735 (or 28709729 counting only the distinct ones).

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

Adding to 420134135202 its reverse (202531431024), we get a palindrome (622665566226).

The spelling of 420134135202 in words is "four hundred twenty billion, one hundred thirty-four million, one hundred thirty-five thousand, two hundred two".