131920225546 has 16 divisors (see below), whose sum is σ = 202635892800. Its totient is φ = 64377256608.

The previous prime is 131920225543. The next prime is 131920225559. The reversal of 131920225546 is 645522029131.

It is a junction number, because it is equal to n+sod(n) for n = 131920225499 and 131920225508.

It is not an unprimeable number, because it can be changed into a prime (131920225543) 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, 468051 + ... + 694918.

It is an arithmetic number, because the mean of its divisors is an integer number (12664743300).

Almost surely, 2^131920225546 is an apocalyptic number.

131920225546 is a deficient number, since it is larger than the sum of its proper divisors (70715667254).

131920225546 is a wasteful number, since it uses less digits than its factorization.

131920225546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164333.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 131920225546 in words is "one hundred thirty-one billion, nine hundred twenty million, two hundred twenty-five thousand, five hundred forty-six".