131925061547 has 4 divisors (see below), whose sum is σ = 134087767536. Its totient is φ = 129762355560.

The previous prime is 131925061519. The next prime is 131925061561. The reversal of 131925061547 is 745160529131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745160529131 = 16421 ⋅45378511.

It is a cyclic number.

It is not a de Polignac number, because 131925061547 - 2¹⁴ = 131925045163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131925061498 and 131925061507.

It is not an unprimeable number, because it can be changed into a prime (131925001547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081352903 + ... + 1081353024.

It is an arithmetic number, because the mean of its divisors is an integer number (33521941884).

Almost surely, 2^131925061547 is an apocalyptic number.

131925061547 is a deficient number, since it is larger than the sum of its proper divisors (2162705989).

131925061547 is an equidigital number, since it uses as much as digits as its factorization.

131925061547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162705988.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 131925061547 in words is "one hundred thirty-one billion, nine hundred twenty-five million, sixty-one thousand, five hundred forty-seven".