131506526253 has 4 divisors (see below), whose sum is σ = 175342035008. Its totient is φ = 87671017500.

The previous prime is 131506526251. The next prime is 131506526321. The reversal of 131506526253 is 352625605131.

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 not a de Polignac number, because 131506526253 - 2¹ = 131506526251 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 (131506526251) 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, 21917754373 + ... + 21917754378.

It is an arithmetic number, because the mean of its divisors is an integer number (43835508752).

Almost surely, 2^131506526253 is an apocalyptic number.

It is an amenable number.

131506526253 is a deficient number, since it is larger than the sum of its proper divisors (43835508755).

131506526253 is an equidigital number, since it uses as much as digits as its factorization.

131506526253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43835508754.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 131506526253 in words is "one hundred thirty-one billion, five hundred six million, five hundred twenty-six thousand, two hundred fifty-three".