134453333025440 has 192 divisors, whose sum is σ = 373188746931840. Its totient is φ = 45129951498240.

The previous prime is 134453333025391. The next prime is 134453333025443. The reversal of 134453333025440 is 44520333354431.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 134453333025391 and 134453333025400.

It is not an unprimeable number, because it can be changed into a prime (134453333025443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277086082 + ... + 1277191358.

It is an arithmetic number, because the mean of its divisors is an integer number (1943691390270).

Almost surely, 2^{134453333025440} is an apocalyptic number.

134453333025440 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 134453333025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186594373465920).

134453333025440 is an abundant number, since it is smaller than the sum of its proper divisors (238735413906400).

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

134453333025440 is a wasteful number, since it uses less digits than its factorization.

134453333025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161135 (or 161127 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 44.

Adding to 134453333025440 its reverse (44520333354431), we get a palindrome (178973666379871).

The spelling of 134453333025440 in words is "one hundred thirty-four trillion, four hundred fifty-three billion, three hundred thirty-three million, twenty-five thousand, four hundred forty".