131428260747 has 36 divisors (see below), whose sum is σ = 226520409960. Its totient is φ = 75094328232.

The previous prime is 131428260727. The next prime is 131428260763. The reversal of 131428260747 is 747062824131.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

131428260747 is a `hidden beast` number, since 1 + 3 + 14 + 28 + 2 + 607 + 4 + 7 = 666.

It is not a de Polignac number, because 131428260747 - 2⁶ = 131428260683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131428260727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13181358 + ... + 13191324.

It is an arithmetic number, because the mean of its divisors is an integer number (6292233610).

Almost surely, 2^131428260747 is an apocalyptic number.

131428260747 is a deficient number, since it is larger than the sum of its proper divisors (95092149213).

131428260747 is an frugal number, since it uses more digits than its factorization.

131428260747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19957 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 131428260747 in words is "one hundred thirty-one billion, four hundred twenty-eight million, two hundred sixty thousand, seven hundred forty-seven".