131405253 has 16 divisors (see below), whose sum is σ = 200486400. Its totient is φ = 74995056.

The previous prime is 131405251. The next prime is 131405297. The reversal of 131405253 is 352504131.

It is not a de Polignac number, because 131405253 - 2¹ = 131405251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131405251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15598 + ... + 22496.

It is an arithmetic number, because the mean of its divisors is an integer number (12530400).

Almost surely, 2^131405253 is an apocalyptic number.

It is an amenable number.

131405253 is a deficient number, since it is larger than the sum of its proper divisors (69081147).

131405253 is an equidigital number, since it uses as much as digits as its factorization.

131405253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 131405253 is about 11463.2130312579. The cubic root of 131405253 is about 508.3984786049.

Adding to 131405253 its reverse (352504131), we get a palindrome (483909384).

The spelling of 131405253 in words is "one hundred thirty-one million, four hundred five thousand, two hundred fifty-three".