421368135 has 8 divisors (see below), whose sum is σ = 674189040. Its totient is φ = 224729664.

The previous prime is 421368131. The next prime is 421368139. The reversal of 421368135 is 531863124.

It is an interprime number because it is at equal distance from previous prime (421368131) and next prime (421368139).

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

It is not a de Polignac number, because 421368135 - 2² = 421368131 is a prime.

It is a super-2 number, since 2×421368135² = 355102210386756450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421368096 and 421368105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421368131) 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, 14045590 + ... + 14045619.

It is an arithmetic number, because the mean of its divisors is an integer number (84273630).

Almost surely, 2^421368135 is an apocalyptic number.

421368135 is a deficient number, since it is larger than the sum of its proper divisors (252820905).

421368135 is a wasteful number, since it uses less digits than its factorization.

421368135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091217.

The product of its digits is 17280, while the sum is 33.

The square root of 421368135 is about 20527.2534694732. The cubic root of 421368135 is about 749.6995151835.

The spelling of 421368135 in words is "four hundred twenty-one million, three hundred sixty-eight thousand, one hundred thirty-five".