136378888 has 8 divisors (see below), whose sum is σ = 255710430. Its totient is φ = 68189440.

The previous prime is 136378867. The next prime is 136378927. The reversal of 136378888 is 888873631.

It can be written as a sum of positive squares in only one way, i.e., 135536164 + 842724 = 11642^2 + 918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8523673 + ... + 8523688.

Almost surely, 2^136378888 is an apocalyptic number.

It is an amenable number.

136378888 is a deficient number, since it is larger than the sum of its proper divisors (119331542).

136378888 is a wasteful number, since it uses less digits than its factorization.

136378888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047367 (or 17047363 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 136378888 is about 11678.1371802184. The cubic root of 136378888 is about 514.7334379470.

The spelling of 136378888 in words is "one hundred thirty-six million, three hundred seventy-eight thousand, eight hundred eighty-eight".