134530520 has 64 divisors (see below), whose sum is σ = 329222880. Its totient is φ = 49268736.

The previous prime is 134530499. The next prime is 134530523. The reversal of 134530520 is 25035431.

It is a super-2 number, since 2×134530520² = 36196921622940800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134530523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22487 + ... + 27833.

Almost surely, 2^134530520 is an apocalyptic number.

134530520 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 134530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164611440).

134530520 is an abundant number, since it is smaller than the sum of its proper divisors (194692360).

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

134530520 is a wasteful number, since it uses less digits than its factorization.

134530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 134530520 is about 11598.7292407401. The cubic root of 134530520 is about 512.3974270232.

Adding to 134530520 its reverse (25035431), we get a palindrome (159565951).

The spelling of 134530520 in words is "one hundred thirty-four million, five hundred thirty thousand, five hundred twenty".