136893786 has 16 divisors (see below), whose sum is σ = 273903168. Its totient is φ = 45612000.

The previous prime is 136893719. The next prime is 136893787. The reversal of 136893786 is 687398631.

It is not an unprimeable number, because it can be changed into a prime (136893787) 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, 22491 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (17118948).

Almost surely, 2^136893786 is an apocalyptic number.

136893786 is an abundant number, since it is smaller than the sum of its proper divisors (137009382).

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

136893786 is a wasteful number, since it uses less digits than its factorization.

136893786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9637.

The product of its digits is 1306368, while the sum is 51.

The square root of 136893786 is about 11700.1617937531. The cubic root of 136893786 is about 515.3804158211.

The spelling of 136893786 in words is "one hundred thirty-six million, eight hundred ninety-three thousand, seven hundred eighty-six".