420876137 has 8 divisors (see below), whose sum is σ = 460179360. Its totient is φ = 381746560.

The previous prime is 420876121. The next prime is 420876179. The reversal of 420876137 is 731678024.

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

It is a cyclic number.

It is not a de Polignac number, because 420876137 - 2⁴ = 420876121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420876137.

It is not an unprimeable number, because it can be changed into a prime (420876187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38312 + ... + 48057.

It is an arithmetic number, because the mean of its divisors is an integer number (57522420).

Almost surely, 2^420876137 is an apocalyptic number.

It is an amenable number.

420876137 is a deficient number, since it is larger than the sum of its proper divisors (39303223).

420876137 is a wasteful number, since it uses less digits than its factorization.

420876137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86823.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 420876137 is about 20515.2659500188. The cubic root of 420876137 is about 749.4076134125.

The spelling of 420876137 in words is "four hundred twenty million, eight hundred seventy-six thousand, one hundred thirty-seven".