134302520 has 96 divisors (see below), whose sum is σ = 345204720. Its totient is φ = 46632960.

The previous prime is 134302517. The next prime is 134302537. The reversal of 134302520 is 25203431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 134302492 and 134302501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232472 + ... + 233048.

Almost surely, 2^134302520 is an apocalyptic number.

134302520 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 134302520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172602360).

134302520 is an abundant number, since it is smaller than the sum of its proper divisors (210902200).

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

134302520 is a wasteful number, since it uses less digits than its factorization.

134302520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 134302520 is about 11588.8964099262. The cubic root of 134302520 is about 512.1077959067.

Adding to 134302520 its reverse (25203431), we get a palindrome (159505951).

The spelling of 134302520 in words is "one hundred thirty-four million, three hundred two thousand, five hundred twenty".