131920225547 has 8 divisors (see below), whose sum is σ = 145337855472. Its totient is φ = 118740076000.

The previous prime is 131920225543. The next prime is 131920225559. The reversal of 131920225547 is 745522029131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131920225547 - 2² = 131920225543 is a prime.

It is a Duffinian number.

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, 59368928 + ... + 59371149.

It is an arithmetic number, because the mean of its divisors is an integer number (18167231934).

Almost surely, 2^131920225547 is an apocalyptic number.

131920225547 is a deficient number, since it is larger than the sum of its proper divisors (13417629925).

131920225547 is a wasteful number, since it uses less digits than its factorization.

131920225547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118740189.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 131920225547 in words is "one hundred thirty-one billion, nine hundred twenty million, two hundred twenty-five thousand, five hundred forty-seven".