134579520 has 168 divisors, whose sum is σ = 469306656. Its totient is φ = 35392512.

The previous prime is 134579513. The next prime is 134579591. The reversal of 134579520 is 25975431.

134579520 is a `hidden beast` number, since 1 + 34 + 579 + 52 + 0 = 666.

It is a super-2 number, since 2×134579520² = 36223294406860800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238759 + ... + 239321.

It is an arithmetic number, because the mean of its divisors is an integer number (2793492).

Almost surely, 2^134579520 is an apocalyptic number.

134579520 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 134579520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234653328).

134579520 is an abundant number, since it is smaller than the sum of its proper divisors (334727136).

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

134579520 is a wasteful number, since it uses less digits than its factorization.

134579520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 656 counting only the distinct ones).

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

The square root of 134579520 is about 11600.8413487988. The cubic root of 134579520 is about 512.4596295783.

The spelling of 134579520 in words is "one hundred thirty-four million, five hundred seventy-nine thousand, five hundred twenty".