134541520 has 40 divisors (see below), whose sum is σ = 313551360. Its totient is φ = 53688960.

The previous prime is 134541497. The next prime is 134541523. The reversal of 134541520 is 25145431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134541523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36565 + ... + 40075.

It is an arithmetic number, because the mean of its divisors is an integer number (7838784).

Almost surely, 2^134541520 is an apocalyptic number.

134541520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134541520 is an abundant number, since it is smaller than the sum of its proper divisors (179009840).

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

134541520 is a wasteful number, since it uses less digits than its factorization.

134541520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134541520 is about 11599.2034209251. The cubic root of 134541520 is about 512.4113921767.

Adding to 134541520 its reverse (25145431), we get a palindrome (159686951).

The spelling of 134541520 in words is "one hundred thirty-four million, five hundred forty-one thousand, five hundred twenty".