131176774093 has 4 divisors (see below), whose sum is σ = 138893054940. Its totient is φ = 123460493248.

The previous prime is 131176774051. The next prime is 131176774139. The reversal of 131176774093 is 390477671131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390477671131 = 11093 ⋅35200367.

It can be written as a sum of positive squares in 2 ways, for example, as 49881648964 + 81295125129 = 223342^2 + 285123^2 .

It is a cyclic number.

It is not a de Polignac number, because 131176774093 - 2²⁹ = 130639903181 is a prime.

It is a super-2 number, since 2×131176774093² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131176774793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858140398 + ... + 3858140431.

It is an arithmetic number, because the mean of its divisors is an integer number (34723263735).

Almost surely, 2^131176774093 is an apocalyptic number.

It is an amenable number.

131176774093 is a deficient number, since it is larger than the sum of its proper divisors (7716280847).

131176774093 is an equidigital number, since it uses as much as digits as its factorization.

131176774093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716280846.

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 131176774093 in words is "one hundred thirty-one billion, one hundred seventy-six million, seven hundred seventy-four thousand, ninety-three".