134521360 has 20 divisors (see below), whose sum is σ = 312762348. Its totient is φ = 53808512.

The previous prime is 134521351. The next prime is 134521397. The reversal of 134521360 is 63125431.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 102981904 = 5616^2 + 10148^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840679 + ... + 840838.

Almost surely, 2^134521360 is an apocalyptic number.

134521360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134521360 is an abundant number, since it is smaller than the sum of its proper divisors (178240988).

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

134521360 is a wasteful number, since it uses less digits than its factorization.

134521360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681530 (or 1681524 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 134521360 is about 11598.3343631747. The cubic root of 134521360 is about 512.3857972781.

Adding to 134521360 its reverse (63125431), we get a palindrome (197646791).

The spelling of 134521360 in words is "one hundred thirty-four million, five hundred twenty-one thousand, three hundred sixty".