136655611420 has 24 divisors (see below), whose sum is σ = 287017484544. Its totient is φ = 54654492096.

The previous prime is 136655611403. The next prime is 136655611423. The reversal of 136655611420 is 24116556631.

It is a happy number.

It is a super-4 number, since 4×136655611420⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136655611423) 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, 338919 + ... + 623038.

It is an arithmetic number, because the mean of its divisors is an integer number (11959061856).

Almost surely, 2^136655611420 is an apocalyptic number.

136655611420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136655611420 is an abundant number, since it is smaller than the sum of its proper divisors (150361873124).

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

136655611420 is a wasteful number, since it uses less digits than its factorization.

136655611420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969069 (or 969067 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 136655611420 in words is "one hundred thirty-six billion, six hundred fifty-five million, six hundred eleven thousand, four hundred twenty".