136776654240 has 48 divisors (see below), whose sum is σ = 430846462368. Its totient is φ = 36473774336.

The previous prime is 136776654233. The next prime is 136776654241. The reversal of 136776654240 is 42456677631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136776654241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142475202 + ... + 142476161.

It is an arithmetic number, because the mean of its divisors is an integer number (8975967966).

Almost surely, 2^136776654240 is an apocalyptic number.

136776654240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136776654240 is an abundant number, since it is smaller than the sum of its proper divisors (294069808128).

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

136776654240 is a wasteful number, since it uses less digits than its factorization.

136776654240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284951381 (or 284951373 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 136776654240 in words is "one hundred thirty-six billion, seven hundred seventy-six million, six hundred fifty-four thousand, two hundred forty".