136725786 has 32 divisors (see below), whose sum is σ = 319828800. Its totient is φ = 43176240.

The previous prime is 136725763. The next prime is 136725791. The reversal of 136725786 is 687527631.

136725786 is a `hidden beast` number, since 1 + 3 + 6 + 72 + 578 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65605 + ... + 67656.

It is an arithmetic number, because the mean of its divisors is an integer number (9994650).

Almost surely, 2^136725786 is an apocalyptic number.

136725786 is an abundant number, since it is smaller than the sum of its proper divisors (183103014).

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

136725786 is a wasteful number, since it uses less digits than its factorization.

136725786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133291 (or 133285 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 136725786 is about 11692.9802018134. The cubic root of 136725786 is about 515.1694996162.

The spelling of 136725786 in words is "one hundred thirty-six million, seven hundred twenty-five thousand, seven hundred eighty-six".