420034134 has 16 divisors (see below), whose sum is σ = 904689072. Its totient is φ = 129241248.

The previous prime is 420034117. The next prime is 420034151. The reversal of 420034134 is 431430024.

It is an interprime number because it is at equal distance from previous prime (420034117) and next prime (420034151).

It is a self number, because there is not a number n which added to its sum of digits gives 420034134.

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 7 ways as a sum of consecutive naturals, for example, 2692449 + ... + 2692604.

It is an arithmetic number, because the mean of its divisors is an integer number (56543067).

Almost surely, 2^420034134 is an apocalyptic number.

420034134 is an abundant number, since it is smaller than the sum of its proper divisors (484654938).

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

420034134 is a wasteful number, since it uses less digits than its factorization.

420034134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385071.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 420034134 is about 20494.7342993267. The cubic root of 420034134 is about 748.9075258842.

Adding to 420034134 its reverse (431430024), we get a palindrome (851464158).

The spelling of 420034134 in words is "four hundred twenty million, thirty-four thousand, one hundred thirty-four".