134632520 has 128 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 44851200.

The previous prime is 134632507. The next prime is 134632541. The reversal of 134632520 is 25236431.

It is a self number, because there is not a number n which added to its sum of digits gives 134632520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306461 + ... + 306899.

It is an arithmetic number, because the mean of its divisors is an integer number (2806650).

Almost surely, 2^134632520 is an apocalyptic number.

134632520 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 134632520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179625600).

134632520 is an abundant number, since it is smaller than the sum of its proper divisors (224618680).

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

134632520 is a wasteful number, since it uses less digits than its factorization.

134632520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 134632520 is about 11603.1254410180. The cubic root of 134632520 is about 512.5268928977.

Adding to 134632520 its reverse (25236431), we get a palindrome (159868951).

The spelling of 134632520 in words is "one hundred thirty-four million, six hundred thirty-two thousand, five hundred twenty".