136171378740 has 48 divisors (see below), whose sum is σ = 390579376320. Its totient is φ = 35426699520.

The previous prime is 136171378729. The next prime is 136171378757. The reversal of 136171378740 is 47873171631.

It is a self number, because there is not a number n which added to its sum of digits gives 136171378740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27674650 + ... + 27679569.

It is an arithmetic number, because the mean of its divisors is an integer number (8137070340).

Almost surely, 2^136171378740 is an apocalyptic number.

136171378740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136171378740 is an abundant number, since it is smaller than the sum of its proper divisors (254407997580).

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

136171378740 is a wasteful number, since it uses less digits than its factorization.

136171378740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55354272 (or 55354270 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 136171378740 in words is "one hundred thirty-six billion, one hundred seventy-one million, three hundred seventy-eight thousand, seven hundred forty".