134525616422400 has 720 divisors, whose sum is σ = 559531486800000. Its totient is φ = 30227537018880.

The previous prime is 134525616422389. The next prime is 134525616422413. The reversal of 134525616422400 is 4224616525431.

It is a happy number.

134525616422400 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 2 + 5 + 616 + 4 + 2 + 24 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46163851 + ... + 48991349.

It is an arithmetic number, because the mean of its divisors is an integer number (777127065000).

Almost surely, 2^{134525616422400} is an apocalyptic number.

134525616422400 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 134525616422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279765743400000).

134525616422400 is an abundant number, since it is smaller than the sum of its proper divisors (425005870377600).

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

134525616422400 is a wasteful number, since it uses less digits than its factorization.

134525616422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827599 (or 2827575 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 134525616422400 in words is "one hundred thirty-four trillion, five hundred twenty-five billion, six hundred sixteen million, four hundred twenty-two thousand, four hundred".