135753187 has 4 divisors (see below), whose sum is σ = 135777096. Its totient is φ = 135729280.

The previous prime is 135753179. The next prime is 135753197. The reversal of 135753187 is 781357531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135753187 - 2³ = 135753179 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135753127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968 + ... + 16594.

It is an arithmetic number, because the mean of its divisors is an integer number (33944274).

Almost surely, 2^135753187 is an apocalyptic number.

135753187 is a deficient number, since it is larger than the sum of its proper divisors (23909).

135753187 is an equidigital number, since it uses as much as digits as its factorization.

135753187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23908.

The product of its digits is 88200, while the sum is 40.

The square root of 135753187 is about 11651.3169641891. The cubic root of 135753187 is about 513.9450387114.

The spelling of 135753187 in words is "one hundred thirty-five million, seven hundred fifty-three thousand, one hundred eighty-seven".