136461561371258 has 16 divisors (see below), whose sum is σ = 208050543056616. Its totient is φ = 67111408189440.

The previous prime is 136461561371257. The next prime is 136461561371393. The reversal of 136461561371258 is 852173165164631.

It is a happy number.

136461561371258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49276707549169 + 87184853822089 = 7019737^2 + 9337283^2 .

It is a super-3 number, since 3×136461561371258³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 136461561371197 and 136461561371206.

It is not an unprimeable number, because it can be changed into a prime (136461561371257) 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, 2942810 + ... + 16780442.

Almost surely, 2^{136461561371258} is an apocalyptic number.

136461561371258 is a deficient number, since it is larger than the sum of its proper divisors (71588981685358).

136461561371258 is a wasteful number, since it uses less digits than its factorization.

136461561371258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918529.

The product of its digits is 21772800, while the sum is 59.

The spelling of 136461561371258 in words is "one hundred thirty-six trillion, four hundred sixty-one billion, five hundred sixty-one million, three hundred seventy-one thousand, two hundred fifty-eight".