131226254 has 4 divisors (see below), whose sum is σ = 196839384. Its totient is φ = 65613126.

The previous prime is 131226253. The next prime is 131226283. The reversal of 131226254 is 452622131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452622131 = 13 ⋅34817087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131226253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32806562 + ... + 32806565.

It is an arithmetic number, because the mean of its divisors is an integer number (49209846).

Almost surely, 2^131226254 is an apocalyptic number.

131226254 is a deficient number, since it is larger than the sum of its proper divisors (65613130).

131226254 is an equidigital number, since it uses as much as digits as its factorization.

131226254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65613129.

The product of its digits is 2880, while the sum is 26.

The square root of 131226254 is about 11455.4028301060. The cubic root of 131226254 is about 508.1675284981.

Adding to 131226254 its reverse (452622131), we get a palindrome (583848385).

The spelling of 131226254 in words is "one hundred thirty-one million, two hundred twenty-six thousand, two hundred fifty-four".