131745655447 has 8 divisors (see below), whose sum is σ = 150570201600. Its totient is φ = 112922043864.

The previous prime is 131745655441. The next prime is 131745655451. The reversal of 131745655447 is 744556547131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131745655447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131745655394 and 131745655403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131745655441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100254 + ... + 523012.

It is an arithmetic number, because the mean of its divisors is an integer number (18821275200).

Almost surely, 2^131745655447 is an apocalyptic number.

131745655447 is a deficient number, since it is larger than the sum of its proper divisors (18824546153).

131745655447 is an equidigital number, since it uses as much as digits as its factorization.

131745655447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467285.

The product of its digits is 7056000, while the sum is 52.

The spelling of 131745655447 in words is "one hundred thirty-one billion, seven hundred forty-five million, six hundred fifty-five thousand, four hundred forty-seven".