131545794428 has 12 divisors (see below), whose sum is σ = 233447466672. Its totient is φ = 64846518240.

The previous prime is 131545794427. The next prime is 131545794503. The reversal of 131545794428 is 824497545131.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 131545794428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131545794427) 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, 231594425 + ... + 231594992.

It is an arithmetic number, because the mean of its divisors is an integer number (19453955556).

Almost surely, 2^131545794428 is an apocalyptic number.

It is an amenable number.

131545794428 is a deficient number, since it is larger than the sum of its proper divisors (101901672244).

131545794428 is a wasteful number, since it uses less digits than its factorization.

131545794428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463189492 (or 463189490 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 131545794428 in words is "one hundred thirty-one billion, five hundred forty-five million, seven hundred ninety-four thousand, four hundred twenty-eight".