136219768 has 16 divisors (see below), whose sum is σ = 255620160. Its totient is φ = 68054400.

The previous prime is 136219763. The next prime is 136219789. The reversal of 136219768 is 867912631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136219763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (15976260).

Almost surely, 2^136219768 is an apocalyptic number.

It is an amenable number.

136219768 is a deficient number, since it is larger than the sum of its proper divisors (119400392).

136219768 is a wasteful number, since it uses less digits than its factorization.

136219768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878 (or 13874 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 136219768 is about 11671.3224614865. The cubic root of 136219768 is about 514.5331717120.

The spelling of 136219768 in words is "one hundred thirty-six million, two hundred nineteen thousand, seven hundred sixty-eight".