8148134770140 has 24 divisors (see below), whose sum is σ = 22814777356560. Its totient is φ = 2172835938688.

The previous prime is 8148134770129. The next prime is 8148134770157. The reversal of 8148134770140 is 410774318418.

It is a self number, because there is not a number n which added to its sum of digits gives 8148134770140.

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, 67901123025 + ... + 67901123144.

It is an arithmetic number, because the mean of its divisors is an integer number (950615723190).

Almost surely, 2^{8148134770140} is an apocalyptic number.

It is an amenable number.

8148134770140 is an abundant number, since it is smaller than the sum of its proper divisors (14666642586420).

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

8148134770140 is a wasteful number, since it uses less digits than its factorization.

8148134770140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135802246181 (or 135802246179 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 8148134770140 in words is "eight trillion, one hundred forty-eight billion, one hundred thirty-four million, seven hundred seventy thousand, one hundred forty".