134323520 has 56 divisors (see below), whose sum is σ = 322929504. Its totient is φ = 53213696.

The previous prime is 134323513. The next prime is 134323523. The reversal of 134323520 is 25323431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323523) 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, 32279 + ... + 36201.

Almost surely, 2^134323520 is an apocalyptic number.

134323520 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 134323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161464752).

134323520 is an abundant number, since it is smaller than the sum of its proper divisors (188605984).

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

134323520 is a wasteful number, since it uses less digits than its factorization.

134323520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 134323520 is about 11589.8024141915. The cubic root of 134323520 is about 512.1344861560.

Adding to 134323520 its reverse (25323431), we get a palindrome (159646951).

The spelling of 134323520 in words is "one hundred thirty-four million, three hundred twenty-three thousand, five hundred twenty".