131186048453 has 4 divisors (see below), whose sum is σ = 131513196108. Its totient is φ = 130858900800.

The previous prime is 131186048437. The next prime is 131186048489. The reversal of 131186048453 is 354840681131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354840681131 = 17 ⋅20872981243.

It can be written as a sum of positive squares in 2 ways, for example, as 125317416004 + 5868632449 = 354002^2 + 76607^2 .

It is a cyclic number.

It is not a de Polignac number, because 131186048453 - 2⁴ = 131186048437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131186048423) 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, 163573226 + ... + 163574027.

It is an arithmetic number, because the mean of its divisors is an integer number (32878299027).

Almost surely, 2^131186048453 is an apocalyptic number.

It is an amenable number.

131186048453 is a deficient number, since it is larger than the sum of its proper divisors (327147655).

131186048453 is an equidigital number, since it uses as much as digits as its factorization.

131186048453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327147654.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 131186048453 in words is "one hundred thirty-one billion, one hundred eighty-six million, forty-eight thousand, four hundred fifty-three".