131470702425646 has 8 divisors (see below), whose sum is σ = 197337612051000. Its totient is φ = 65691498408648.

The previous prime is 131470702425617. The next prime is 131470702425649. The reversal of 131470702425646 is 646524207074131.

It is a happy number.

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

It is a super-2 number, since 2×131470702425646² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131470702425593 and 131470702425602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131470702425649) 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, 21926398341 + ... + 21926404336.

It is an arithmetic number, because the mean of its divisors is an integer number (24667201506375).

Almost surely, 2^{131470702425646} is an apocalyptic number.

131470702425646 is a deficient number, since it is larger than the sum of its proper divisors (65866909625354).

131470702425646 is a wasteful number, since it uses less digits than its factorization.

131470702425646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43852804178.

The product of its (nonzero) digits is 6773760, while the sum is 52.

Adding to 131470702425646 its reverse (646524207074131), we get a palindrome (777994909499777).

The spelling of 131470702425646 in words is "one hundred thirty-one trillion, four hundred seventy billion, seven hundred two million, four hundred twenty-five thousand, six hundred forty-six".