8135414807421 has 16 divisors (see below), whose sum is σ = 11835087421248. Its totient is φ = 4929822432000.

The previous prime is 8135414807411. The next prime is 8135414807479. The reversal of 8135414807421 is 1247084145318.

It is not a de Polignac number, because 8135414807421 - 2⁵ = 8135414807389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135414807411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18074230 + ... + 18518871.

It is an arithmetic number, because the mean of its divisors is an integer number (739692963828).

Almost surely, 2^{8135414807421} is an apocalyptic number.

It is an amenable number.

8135414807421 is a deficient number, since it is larger than the sum of its proper divisors (3699672613827).

8135414807421 is a wasteful number, since it uses less digits than its factorization.

8135414807421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599852.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 8135414807421 in words is "eight trillion, one hundred thirty-five billion, four hundred fourteen million, eight hundred seven thousand, four hundred twenty-one".