134533680 has 160 divisors (see below), whose sum is σ = 444138240. Its totient is φ = 33592320.

The previous prime is 134533667. The next prime is 134533687. The reversal of 134533680 is 86335431.

It is a super-2 number, since 2×134533680² = 36198622108684800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134533687) 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, 743190 + ... + 743370.

It is an arithmetic number, because the mean of its divisors is an integer number (2775864).

Almost surely, 2^134533680 is an apocalyptic number.

134533680 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 134533680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222069120).

134533680 is an abundant number, since it is smaller than the sum of its proper divisors (309604560).

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

134533680 is a wasteful number, since it uses less digits than its factorization.

134533680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 134533680 is about 11598.8654617596. The cubic root of 134533680 is about 512.4014389089.

The spelling of 134533680 in words is "one hundred thirty-four million, five hundred thirty-three thousand, six hundred eighty".