131455055 has 4 divisors (see below), whose sum is σ = 157746072. Its totient is φ = 105164040.

The previous prime is 131455039. The next prime is 131455081. The reversal of 131455055 is 550554131.

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

It is not a de Polignac number, because 131455055 - 2⁴ = 131455039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13145501 + ... + 13145510.

It is an arithmetic number, because the mean of its divisors is an integer number (39436518).

Almost surely, 2^131455055 is an apocalyptic number.

131455055 is a deficient number, since it is larger than the sum of its proper divisors (26291017).

131455055 is an equidigital number, since it uses as much as digits as its factorization.

131455055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26291016.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 131455055 is about 11465.3850785746. The cubic root of 131455055 is about 508.4626974051.

The spelling of 131455055 in words is "one hundred thirty-one million, four hundred fifty-five thousand, fifty-five".