131134105649 has 4 divisors (see below), whose sum is σ = 131200103664. Its totient is φ = 131068107636.

The previous prime is 131134105639. The next prime is 131134105799. The reversal of 131134105649 is 946501431131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946501431131 = 481879 ⋅1964189.

It is a cyclic number.

It is not a de Polignac number, because 131134105649 - 2⁴ = 131134105633 is a prime.

It is a super-2 number, since 2×131134105649² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131134105639) 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, 32996027 + ... + 33000000.

It is an arithmetic number, because the mean of its divisors is an integer number (32800025916).

Almost surely, 2^131134105649 is an apocalyptic number.

It is an amenable number.

131134105649 is a deficient number, since it is larger than the sum of its proper divisors (65998015).

131134105649 is an equidigital number, since it uses as much as digits as its factorization.

131134105649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65998014.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 131134105649 in words is "one hundred thirty-one billion, one hundred thirty-four million, one hundred five thousand, six hundred forty-nine".