135455 has 4 divisors (see below), whose sum is σ = 162552. Its totient is φ = 108360.

The previous prime is 135449. The next prime is 135461. The reversal of 135455 is 554531.

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

It is an interprime number because it is at equal distance from previous prime (135449) and next prime (135461).

It is not a de Polignac number, because 135455 - 2⁶ = 135391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13541 + ... + 13550.

It is an arithmetic number, because the mean of its divisors is an integer number (40638).

2¹³⁵⁴⁵⁵ is an apocalyptic number.

135455 is a deficient number, since it is larger than the sum of its proper divisors (27097).

135455 is an equidigital number, since it uses as much as digits as its factorization.

135455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27096.

The product of its digits is 1500, while the sum is 23.

The square root of 135455 is about 368.0421171551. The cubic root of 135455 is about 51.3568462963.

Adding to 135455 its reverse (554531), we get a palindrome (689986).

It can be divided in two parts, 135 and 455, that multiplied together give a triangular number (61425 = T₃₅₀).

The spelling of 135455 in words is "one hundred thirty-five thousand, four hundred fifty-five".