136486378 has 16 divisors (see below), whose sum is σ = 234376704. Its totient is φ = 58394160.

The previous prime is 136486373. The next prime is 136486379. The reversal of 136486378 is 873684631.

It is not an unprimeable number, because it can be changed into a prime (136486373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 16528.

It is an arithmetic number, because the mean of its divisors is an integer number (14648544).

Almost surely, 2^136486378 is an apocalyptic number.

136486378 is a deficient number, since it is larger than the sum of its proper divisors (97890326).

136486378 is a wasteful number, since it uses less digits than its factorization.

136486378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677.

The product of its digits is 580608, while the sum is 46.

The square root of 136486378 is about 11682.7384632200. The cubic root of 136486378 is about 514.8686352351.

The spelling of 136486378 in words is "one hundred thirty-six million, four hundred eighty-six thousand, three hundred seventy-eight".