134315520 has 80 divisors (see below), whose sum is σ = 429414480. Its totient is φ = 35815424.

The previous prime is 134315477. The next prime is 134315527. The reversal of 134315520 is 25513431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134315527) 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, 1065 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (5367681).

Almost surely, 2^134315520 is an apocalyptic number.

134315520 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 134315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214707240).

134315520 is an abundant number, since it is smaller than the sum of its proper divisors (295098960).

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

134315520 is an equidigital number, since it uses as much as digits as its factorization.

134315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17499 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 134315520 is about 11589.4572780610. The cubic root of 134315520 is about 512.1243187700.

Adding to 134315520 its reverse (25513431), we get a palindrome (159828951).

The spelling of 134315520 in words is "one hundred thirty-four million, three hundred fifteen thousand, five hundred twenty".