135451760 has 40 divisors (see below), whose sum is σ = 331504080. Its totient is φ = 51328512.

The previous prime is 135451759. The next prime is 135451769. The reversal of 135451760 is 67154531.

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 (135451769) 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, 43037 + ... + 46076.

It is an arithmetic number, because the mean of its divisors is an integer number (8287602).

Almost surely, 2^135451760 is an apocalyptic number.

135451760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135451760 is an abundant number, since it is smaller than the sum of its proper divisors (196052320).

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

135451760 is a wasteful number, since it uses less digits than its factorization.

135451760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89145 (or 89139 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 135451760 is about 11638.3744569420. The cubic root of 135451760 is about 513.5643681831.

The spelling of 135451760 in words is "one hundred thirty-five million, four hundred fifty-one thousand, seven hundred sixty".