136380786 has 16 divisors (see below), whose sum is σ = 276048864. Its totient is φ = 44912384.

The previous prime is 136380773. The next prime is 136380791. The reversal of 136380786 is 687083631.

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, 136431 + ... + 137426.

It is an arithmetic number, because the mean of its divisors is an integer number (17253054).

Almost surely, 2^136380786 is an apocalyptic number.

136380786 is an abundant number, since it is smaller than the sum of its proper divisors (139668078).

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

136380786 is a wasteful number, since it uses less digits than its factorization.

136380786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273945.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 136380786 is about 11678.2184428962. The cubic root of 136380786 is about 514.7358258032.

The spelling of 136380786 in words is "one hundred thirty-six million, three hundred eighty thousand, seven hundred eighty-six".