134655312420 has 144 divisors (see below), whose sum is σ = 410345430768. Its totient is φ = 35742228480.

The previous prime is 134655312419. The next prime is 134655312431. The reversal of 134655312420 is 24213556431.

134655312420 is a `hidden beast` number, since 1 + 3 + 465 + 53 + 124 + 20 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4484445156 + 130170867264 = 66966^2 + 360792^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46160802 + ... + 46163718.

It is an arithmetic number, because the mean of its divisors is an integer number (2849621047).

Almost surely, 2^134655312420 is an apocalyptic number.

134655312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134655312420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205172715384).

134655312420 is an abundant number, since it is smaller than the sum of its proper divisors (275690118348).

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

134655312420 is a wasteful number, since it uses less digits than its factorization.

134655312420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 134655312420 its reverse (24213556431), we get a palindrome (158868868851).

The spelling of 134655312420 in words is "one hundred thirty-four billion, six hundred fifty-five million, three hundred twelve thousand, four hundred twenty".