134240520 has 64 divisors (see below), whose sum is σ = 410339520. Its totient is φ = 35120384.

The previous prime is 134240471. The next prime is 134240527. The reversal of 134240520 is 25042431.

It is not an unprimeable number, because it can be changed into a prime (134240527) 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, 4194 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (6411555).

Almost surely, 2^134240520 is an apocalyptic number.

134240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134240520 is an abundant number, since it is smaller than the sum of its proper divisors (276099000).

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

134240520 is a wasteful number, since it uses less digits than its factorization.

134240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21174 (or 21170 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 134240520 is about 11586.2211268386. The cubic root of 134240520 is about 512.0289798864.

Adding to 134240520 its reverse (25042431), we get a palindrome (159282951).

The spelling of 134240520 in words is "one hundred thirty-four million, two hundred forty thousand, five hundred twenty".