136444478 has 16 divisors (see below), whose sum is σ = 216233280. Its totient is φ = 64466976.

The previous prime is 136444471. The next prime is 136444501. The reversal of 136444478 is 874444631.

136444478 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136444471) 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, 22301 + ... + 27752.

It is an arithmetic number, because the mean of its divisors is an integer number (13514580).

Almost surely, 2^136444478 is an apocalyptic number.

136444478 is a deficient number, since it is larger than the sum of its proper divisors (79788802).

136444478 is a wasteful number, since it uses less digits than its factorization.

136444478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50131.

The product of its digits is 258048, while the sum is 41.

The square root of 136444478 is about 11680.9450816276. The cubic root of 136444478 is about 514.8159432764.

The spelling of 136444478 in words is "one hundred thirty-six million, four hundred forty-four thousand, four hundred seventy-eight".