135782155 has 8 divisors (see below), whose sum is σ = 164183184. Its totient is φ = 107796000.

The previous prime is 135782149. The next prime is 135782159. The reversal of 135782155 is 551287531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135782155 - 2⁵ = 135782123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135782159) 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, 102996 + ... + 104305.

It is an arithmetic number, because the mean of its divisors is an integer number (20522898).

Almost surely, 2^135782155 is an apocalyptic number.

135782155 is a deficient number, since it is larger than the sum of its proper divisors (28401029).

135782155 is a wasteful number, since it uses less digits than its factorization.

135782155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207437.

The product of its digits is 42000, while the sum is 37.

The square root of 135782155 is about 11652.5600191546. The cubic root of 135782155 is about 513.9815925519.

The spelling of 135782155 in words is "one hundred thirty-five million, seven hundred eighty-two thousand, one hundred fifty-five".