131226853 has 4 divisors (see below), whose sum is σ = 131380480. Its totient is φ = 131073228.

The previous prime is 131226793. The next prime is 131226857. The reversal of 131226853 is 358622131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131226853 - 2⁹ = 131226341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131226857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75525 + ... + 77242.

It is an arithmetic number, because the mean of its divisors is an integer number (32845120).

Almost surely, 2^131226853 is an apocalyptic number.

It is an amenable number.

131226853 is a deficient number, since it is larger than the sum of its proper divisors (153627).

131226853 is an equidigital number, since it uses as much as digits as its factorization.

131226853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153626.

The product of its digits is 8640, while the sum is 31.

The square root of 131226853 is about 11455.4289749446. The cubic root of 131226853 is about 508.1683016968.

Adding to 131226853 its reverse (358622131), we get a palindrome (489848984).

The spelling of 131226853 in words is "one hundred thirty-one million, two hundred twenty-six thousand, eight hundred fifty-three".