131644384652 has 12 divisors (see below), whose sum is σ = 251321098056. Its totient is φ = 59838356640.

The previous prime is 131644384607. The next prime is 131644384657. The reversal of 131644384652 is 256483446131.

131644384652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131644384652² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131644384597 and 131644384606.

It is not an unprimeable number, because it can be changed into a prime (131644384657) 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, 1495958873 + ... + 1495958960.

It is an arithmetic number, because the mean of its divisors is an integer number (20943424838).

Almost surely, 2^131644384652 is an apocalyptic number.

It is an amenable number.

131644384652 is a deficient number, since it is larger than the sum of its proper divisors (119676713404).

131644384652 is a wasteful number, since it uses less digits than its factorization.

131644384652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991917848 (or 2991917846 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 131644384652 in words is "one hundred thirty-one billion, six hundred forty-four million, three hundred eighty-four thousand, six hundred fifty-two".