420900129158 has 8 divisors (see below), whose sum is σ = 631412926320. Its totient is φ = 210429153720.

The previous prime is 420900129121. The next prime is 420900129161. The reversal of 420900129158 is 851921009024.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10430258 + ... + 10470533.

It is an arithmetic number, because the mean of its divisors is an integer number (78926615790).

Almost surely, 2^420900129158 is an apocalyptic number.

420900129158 is a deficient number, since it is larger than the sum of its proper divisors (210512797162).

420900129158 is a wasteful number, since it uses less digits than its factorization.

420900129158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910862.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 420900129158 in words is "four hundred twenty billion, nine hundred million, one hundred twenty-nine thousand, one hundred fifty-eight".