134015123130420 has 384 divisors, whose sum is σ = 454899110400000. Its totient is φ = 28796504334336.

The previous prime is 134015123130403. The next prime is 134015123130431. The reversal of 134015123130420 is 24031321510431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1211556076 + ... + 1211666684.

It is an arithmetic number, because the mean of its divisors is an integer number (1184633100000).

Almost surely, 2^{134015123130420} is an apocalyptic number.

134015123130420 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 134015123130420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227449555200000).

134015123130420 is an abundant number, since it is smaller than the sum of its proper divisors (320883987269580).

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

134015123130420 is a wasteful number, since it uses less digits than its factorization.

134015123130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111815 (or 111813 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 134015123130420 its reverse (24031321510431), we get a palindrome (158046444640851).

The spelling of 134015123130420 in words is "one hundred thirty-four trillion, fifteen billion, one hundred twenty-three million, one hundred thirty thousand, four hundred twenty".