131455 has 8 divisors (see below), whose sum is σ = 160704. Its totient is φ = 103200.

The previous prime is 131449. The next prime is 131477. The reversal of 131455 is 554131.

131455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 131455 - 2³ = 131447 is a prime.

It is a Duffinian number.

131455 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2¹³¹⁴⁵⁵ is an apocalyptic number.

131455 is a deficient number, since it is larger than the sum of its proper divisors (29249).

131455 is an equidigital number, since it uses as much as digits as its factorization.

131455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 300, while the sum is 19.

The square root of 131455 is about 362.5672351440. The cubic root of 131455 is about 50.8462626493.

Adding to 131455 its reverse (554131), we get a palindrome (685586).

It can be divided in two parts, 1314 and 55, that added together give a square (1369 = 37²).

The spelling of 131455 in words is "one hundred thirty-one thousand, four hundred fifty-five".