134320545323320 has 32 divisors (see below), whose sum is σ = 304600921689600. Its totient is φ = 53305161291648.

The previous prime is 134320545323291. The next prime is 134320545323323. The reversal of 134320545323320 is 23323545023431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134320545323323) 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, 13220521035 + ... + 13220531194.

It is an arithmetic number, because the mean of its divisors is an integer number (9518778802800).

Almost surely, 2^{134320545323320} is an apocalyptic number.

134320545323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134320545323320 is an abundant number, since it is smaller than the sum of its proper divisors (170280376366280).

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

134320545323320 is a wasteful number, since it uses less digits than its factorization.

134320545323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26441052367 (or 26441052363 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

The spelling of 134320545323320 in words is "one hundred thirty-four trillion, three hundred twenty billion, five hundred forty-five million, three hundred twenty-three thousand, three hundred twenty".