136378418 has 16 divisors (see below), whose sum is σ = 223365600. Its totient is φ = 61934400.

The previous prime is 136378391. The next prime is 136378421. The reversal of 136378418 is 814873631.

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, 31658 + ... + 35706.

It is an arithmetic number, because the mean of its divisors is an integer number (13960350).

Almost surely, 2^136378418 is an apocalyptic number.

136378418 is a deficient number, since it is larger than the sum of its proper divisors (86987182).

136378418 is a wasteful number, since it uses less digits than its factorization.

136378418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593.

The product of its digits is 96768, while the sum is 41.

The square root of 136378418 is about 11678.1170571287. The cubic root of 136378418 is about 514.7328466409.

The spelling of 136378418 in words is "one hundred thirty-six million, three hundred seventy-eight thousand, four hundred eighteen".