420134130 has 96 divisors (see below), whose sum is σ = 1184129856. Its totient is φ = 102736512.

The previous prime is 420134111. The next prime is 420134147. The reversal of 420134130 is 31431024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189609 + ... + 191811.

It is an arithmetic number, because the mean of its divisors is an integer number (12334686).

Almost surely, 2^420134130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420134130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592064928).

420134130 is an abundant number, since it is smaller than the sum of its proper divisors (763995726).

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

420134130 is a wasteful number, since it uses less digits than its factorization.

420134130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 420134130 is about 20497.1737076115. The cubic root of 420134130 is about 748.9669510665.

Adding to 420134130 its reverse (31431024), we get a palindrome (451565154).

The spelling of 420134130 in words is "four hundred twenty million, one hundred thirty-four thousand, one hundred thirty".