131424155 has 4 divisors (see below), whose sum is σ = 157708992. Its totient is φ = 105139320.

The previous prime is 131424119. The next prime is 131424169. The reversal of 131424155 is 551424131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551424131 = 43 ⋅12823817.

It is not a de Polignac number, because 131424155 - 2⁶ = 131424091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13142411 + ... + 13142420.

It is an arithmetic number, because the mean of its divisors is an integer number (39427248).

Almost surely, 2^131424155 is an apocalyptic number.

131424155 is a deficient number, since it is larger than the sum of its proper divisors (26284837).

131424155 is an equidigital number, since it uses as much as digits as its factorization.

131424155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26284836.

The product of its digits is 2400, while the sum is 26.

The square root of 131424155 is about 11464.0374650469. The cubic root of 131424155 is about 508.4228543106.

Adding to 131424155 its reverse (551424131), we get a palindrome (682848286).

The spelling of 131424155 in words is "one hundred thirty-one million, four hundred twenty-four thousand, one hundred fifty-five".