131448607645 has 16 divisors (see below), whose sum is σ = 159509629440. Its totient is φ = 103979994624.

The previous prime is 131448607643. The next prime is 131448607679. The reversal of 131448607645 is 546706844131.

It is a cyclic number.

It is not a de Polignac number, because 131448607645 - 2¹ = 131448607643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131448607643) 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, 412096 + ... + 657814.

It is an arithmetic number, because the mean of its divisors is an integer number (9969351840).

Almost surely, 2^131448607645 is an apocalyptic number.

It is an amenable number.

131448607645 is a deficient number, since it is larger than the sum of its proper divisors (28061021795).

131448607645 is a wasteful number, since it uses less digits than its factorization.

131448607645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246924.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 131448607645 in words is "one hundred thirty-one billion, four hundred forty-eight million, six hundred seven thousand, six hundred forty-five".