136423424076678 has 48 divisors (see below), whose sum is σ = 311142432669120. Its totient is φ = 43080902666928.

The previous prime is 136423424076677. The next prime is 136423424076707. The reversal of 136423424076678 is 876670424324631.

136423424076678 is a `hidden beast` number, since 1 + 3 + 6 + 423 + 42 + 40 + 7 + 66 + 78 = 666.

It is a super-2 number, since 2×136423424076678² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136423424076677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99575901 + ... + 100936647.

It is an arithmetic number, because the mean of its divisors is an integer number (6482134013940).

Almost surely, 2^{136423424076678} is an apocalyptic number.

136423424076678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136423424076678 is an abundant number, since it is smaller than the sum of its proper divisors (174719008592442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136423424076678 is a wasteful number, since it uses less digits than its factorization.

136423424076678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653921 (or 1653918 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 63.

The spelling of 136423424076678 in words is "one hundred thirty-six trillion, four hundred twenty-three billion, four hundred twenty-four million, seventy-six thousand, six hundred seventy-eight".