136744078 has 8 divisors (see below), whose sum is σ = 205255368. Its totient is φ = 68325624.

The previous prime is 136744067. The next prime is 136744079. The reversal of 136744078 is 870447631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136744078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136744079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19401 + ... + 25492.

It is an arithmetic number, because the mean of its divisors is an integer number (25656921).

Almost surely, 2^136744078 is an apocalyptic number.

136744078 is a deficient number, since it is larger than the sum of its proper divisors (68511290).

136744078 is a wasteful number, since it uses less digits than its factorization.

136744078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46418.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 136744078 is about 11693.7623543494. The cubic root of 136744078 is about 515.1924727523.

The spelling of 136744078 in words is "one hundred thirty-six million, seven hundred forty-four thousand, seventy-eight".