420002134 has 8 divisors (see below), whose sum is σ = 633645360. Its totient is φ = 208787016.

The previous prime is 420002123. The next prime is 420002171. The reversal of 420002134 is 431200024.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 606594 + ... + 607285.

It is an arithmetic number, because the mean of its divisors is an integer number (79205670).

Almost surely, 2^420002134 is an apocalyptic number.

420002134 is a deficient number, since it is larger than the sum of its proper divisors (213643226).

420002134 is a wasteful number, since it uses less digits than its factorization.

420002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214054.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420002134 is about 20493.9535961220. The cubic root of 420002134 is about 748.8885070732. Note that the first 3 decimals are identical.

Adding to 420002134 its reverse (431200024), we get a palindrome (851202158).

The spelling of 420002134 in words is "four hundred twenty million, two thousand, one hundred thirty-four".