136746478 has 16 divisors (see below), whose sum is σ = 223979904. Its totient is φ = 62098360.

The previous prime is 136746469. The next prime is 136746481. The reversal of 136746478 is 874647631.

136746478 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27801 + ... + 32347.

It is an arithmetic number, because the mean of its divisors is an integer number (13998744).

Almost surely, 2^136746478 is an apocalyptic number.

136746478 is a deficient number, since it is larger than the sum of its proper divisors (87233426).

136746478 is a wasteful number, since it uses less digits than its factorization.

136746478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927.

The product of its digits is 677376, while the sum is 46.

The square root of 136746478 is about 11693.8649727111. The cubic root of 136746478 is about 515.1954867882.

The spelling of 136746478 in words is "one hundred thirty-six million, seven hundred forty-six thousand, four hundred seventy-eight".