131134401413 has 4 divisors (see below), whose sum is σ = 131136691980. Its totient is φ = 131132110848.

The previous prime is 131134401403. The next prime is 131134401451. The reversal of 131134401413 is 314104431131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121188926884 + 9945474529 = 348122^2 + 99727^2 .

It is a cyclic number.

It is not a de Polignac number, because 131134401413 - 2⁴ = 131134401397 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 (131134401403) 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, 1057148 + ... + 1174661.

It is an arithmetic number, because the mean of its divisors is an integer number (32784172995).

Almost surely, 2^131134401413 is an apocalyptic number.

It is an amenable number.

131134401413 is a deficient number, since it is larger than the sum of its proper divisors (2290567).

131134401413 is an equidigital number, since it uses as much as digits as its factorization.

131134401413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290566.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131134401413 its reverse (314104431131), we get a palindrome (445238832544).

The spelling of 131134401413 in words is "one hundred thirty-one billion, one hundred thirty-four million, four hundred one thousand, four hundred thirteen".