136663254062420 has 12 divisors (see below), whose sum is σ = 286992833531124. Its totient is φ = 54665301624960.

The previous prime is 136663254062383. The next prime is 136663254062473. The reversal of 136663254062420 is 24260452366631.

It can be written as a sum of positive squares in 2 ways, for example, as 98426320368016 + 38236933694404 = 9921004^2 + 6183602^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416581351541 + ... + 3416581351580.

It is an arithmetic number, because the mean of its divisors is an integer number (23916069460927).

Almost surely, 2^{136663254062420} is an apocalyptic number.

136663254062420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136663254062420 is an abundant number, since it is smaller than the sum of its proper divisors (150329579468704).

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

136663254062420 is a wasteful number, since it uses less digits than its factorization.

136663254062420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833162703130 (or 6833162703128 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 136663254062420 in words is "one hundred thirty-six trillion, six hundred sixty-three billion, two hundred fifty-four million, sixty-two thousand, four hundred twenty".