421334452135 has 16 divisors (see below), whose sum is σ = 511061740992. Its totient is φ = 333445824000.

The previous prime is 421334452127. The next prime is 421334452169. The reversal of 421334452135 is 531254433124.

It is not a de Polignac number, because 421334452135 - 2³ = 421334452127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421334452094 and 421334452103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975844 + ... + 1339753.

It is an arithmetic number, because the mean of its divisors is an integer number (31941358812).

Almost surely, 2^421334452135 is an apocalyptic number.

421334452135 is a deficient number, since it is larger than the sum of its proper divisors (89727288857).

421334452135 is a wasteful number, since it uses less digits than its factorization.

421334452135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315994.

The product of its digits is 172800, while the sum is 37.

Adding to 421334452135 its reverse (531254433124), we get a palindrome (952588885259).

The spelling of 421334452135 in words is "four hundred twenty-one billion, three hundred thirty-four million, four hundred fifty-two thousand, one hundred thirty-five".