134251520 has 88 divisors (see below), whose sum is σ = 346991064. Its totient is φ = 49545216.

The previous prime is 134251471. The next prime is 134251531. The reversal of 134251520 is 25152431.

It can be written as a sum of positive squares in 4 ways, for example, as 13075456 + 121176064 = 3616^2 + 11008^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65552 + ... + 67568.

Almost surely, 2^134251520 is an apocalyptic number.

134251520 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 134251520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173495532).

134251520 is an abundant number, since it is smaller than the sum of its proper divisors (212739544).

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

134251520 is a wasteful number, since it uses less digits than its factorization.

134251520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 134251520 is about 11586.6958189123. The cubic root of 134251520 is about 512.0429651444.

The spelling of 134251520 in words is "one hundred thirty-four million, two hundred fifty-one thousand, five hundred twenty".