134557920 has 216 divisors, whose sum is σ = 534426984. Its totient is φ = 30739968.

The previous prime is 134557919. The next prime is 134557921. The reversal of 134557920 is 29755431.

134557920 is a `hidden beast` number, since 13 + 4 + 557 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (134557919) and next prime (134557921).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134557921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69607 + ... + 71513.

It is an arithmetic number, because the mean of its divisors is an integer number (2474199).

Almost surely, 2^134557920 is an apocalyptic number.

134557920 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 134557920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267213492).

134557920 is an abundant number, since it is smaller than the sum of its proper divisors (399869064).

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

134557920 is a wasteful number, since it uses less digits than its factorization.

134557920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 134557920 is about 11599.9103444811. The cubic root of 134557920 is about 512.4322115377.

The spelling of 134557920 in words is "one hundred thirty-four million, five hundred fifty-seven thousand, nine hundred twenty".