136740658 has 16 divisors (see below), whose sum is σ = 219252096. Its totient is φ = 63801760.

The previous prime is 136740647. The next prime is 136740671. The reversal of 136740658 is 856047631.

It is a happy number.

136740658 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 super-3 number, since 3×136740658³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136740658.

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, 34366 + ... + 38137.

It is an arithmetic number, because the mean of its divisors is an integer number (13703256).

Almost surely, 2^136740658 is an apocalyptic number.

136740658 is a deficient number, since it is larger than the sum of its proper divisors (82511438).

136740658 is a wasteful number, since it uses less digits than its factorization.

136740658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72569.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 136740658 is about 11693.6161216281. The cubic root of 136740658 is about 515.1881776901.

It can be divided in two parts, 1367 and 40658, that added together give a square (42025 = 205²).

The spelling of 136740658 in words is "one hundred thirty-six million, seven hundred forty thousand, six hundred fifty-eight".