8135478214 has 16 divisors (see below), whose sum is σ = 12930620976. Its totient is φ = 3825625600.

The previous prime is 8135478209. The next prime is 8135478227. The reversal of 8135478214 is 4128745318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41632 + ... + 134179.

It is an arithmetic number, because the mean of its divisors is an integer number (808163811).

Almost surely, 2^8135478214 is an apocalyptic number.

8135478214 is a deficient number, since it is larger than the sum of its proper divisors (4795142762).

8135478214 is a wasteful number, since it uses less digits than its factorization.

8135478214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177191.

The product of its digits is 215040, while the sum is 43.

The square root of 8135478214 is about 90196.8858331595. The cubic root of 8135478214 is about 2011.2267136993.

The spelling of 8135478214 in words is "eight billion, one hundred thirty-five million, four hundred seventy-eight thousand, two hundred fourteen".