131331567745 has 16 divisors (see below), whose sum is σ = 180258236928. Its totient is φ = 89982745920.

The previous prime is 131331567743. The next prime is 131331567767. The reversal of 131331567745 is 547765133131.

It is a happy number.

It is not a de Polignac number, because 131331567745 - 2¹ = 131331567743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131331567695 and 131331567704.

It is not an unprimeable number, because it can be changed into a prime (131331567743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481014 + ... + 1567183.

It is an arithmetic number, because the mean of its divisors is an integer number (11266139808).

Almost surely, 2^131331567745 is an apocalyptic number.

It is an amenable number.

131331567745 is a deficient number, since it is larger than the sum of its proper divisors (48926669183).

131331567745 is a wasteful number, since it uses less digits than its factorization.

131331567745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049440.

The product of its digits is 793800, while the sum is 46.

The spelling of 131331567745 in words is "one hundred thirty-one billion, three hundred thirty-one million, five hundred sixty-seven thousand, seven hundred forty-five".