131376773547 has 48 divisors (see below), whose sum is σ = 202305392640. Its totient is φ = 82023004800.

The previous prime is 131376773543. The next prime is 131376773557. The reversal of 131376773547 is 745377673131.

It is a happy number.

131376773547 is a `hidden beast` number, since 1 + 3 + 1 + 37 + 67 + 7 + 3 + 547 = 666.

It is not a de Polignac number, because 131376773547 - 2² = 131376773543 is a prime.

It is a super-2 number, since 2×131376773547² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131376773493 and 131376773502.

It is not an unprimeable number, because it can be changed into a prime (131376773543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110772 + ... + 1223342.

It is an arithmetic number, because the mean of its divisors is an integer number (4214695680).

Almost surely, 2^131376773547 is an apocalyptic number.

131376773547 is a deficient number, since it is larger than the sum of its proper divisors (70928619093).

131376773547 is a wasteful number, since it uses less digits than its factorization.

131376773547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112744 (or 112741 counting only the distinct ones).

The product of its digits is 7779240, while the sum is 54.

The spelling of 131376773547 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred seventy-three thousand, five hundred forty-seven".