135660180 has 48 divisors (see below), whose sum is σ = 384439104. Its totient is φ = 35738880.

The previous prime is 135660169. The next prime is 135660191. The reversal of 135660180 is 81066531.

It is an interprime number because it is at equal distance from previous prime (135660169) and next prime (135660191).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (8009148).

Almost surely, 2^135660180 is an apocalyptic number.

135660180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135660180 is an abundant number, since it is smaller than the sum of its proper divisors (248778924).

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

135660180 is a wasteful number, since it uses less digits than its factorization.

135660180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27336 (or 27334 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 135660180 is about 11647.3250147834. The cubic root of 135660180 is about 513.8276408372.

The spelling of 135660180 in words is "one hundred thirty-five million, six hundred sixty thousand, one hundred eighty".