4321421403136 has 88 divisors (see below), whose sum is σ = 9628186992480. Its totient is φ = 1926577815552.

The previous prime is 4321421403077. The next prime is 4321421403179. The reversal of 4321421403136 is 6313041241234.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201970 + ... + 6863473.

Almost surely, 2^{4321421403136} is an apocalyptic number.

It is an amenable number.

4321421403136 is an abundant number, since it is smaller than the sum of its proper divisors (5306765589344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4321421403136 is a wasteful number, since it uses less digits than its factorization.

4321421403136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065499 (or 13065481 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 4321421403136 in words is "four trillion, three hundred twenty-one billion, four hundred twenty-one million, four hundred three thousand, one hundred thirty-six".