425135142 has 20 divisors (see below), whose sum is σ = 952617996. Its totient is φ = 141711660.

The previous prime is 425135131. The next prime is 425135173. The reversal of 425135142 is 241531524.

425135142 is a `hidden beast` number, since 4 + 2 + 513 + 5 + 142 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1311984 + ... + 1312307.

Almost surely, 2^425135142 is an apocalyptic number.

425135142 is an abundant number, since it is smaller than the sum of its proper divisors (527482854).

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

425135142 is a wasteful number, since it uses less digits than its factorization.

425135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624305 (or 2624296 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 425135142 is about 20618.8055425139. The cubic root of 425135142 is about 751.9269807533.

Adding to 425135142 its reverse (241531524), we get a palindrome (666666666).

It can be divided in two parts, 4251 and 35142, that added together give a palindrome (39393).

The spelling of 425135142 in words is "four hundred twenty-five million, one hundred thirty-five thousand, one hundred forty-two".