131889775522 has 16 divisors (see below), whose sum is σ = 199273276800. Its totient is φ = 65465913600.

The previous prime is 131889775519. The next prime is 131889775531. The reversal of 131889775522 is 225577988131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330754 + ... + 610882.

It is an arithmetic number, because the mean of its divisors is an integer number (12454579800).

Almost surely, 2^131889775522 is an apocalyptic number.

131889775522 is a deficient number, since it is larger than the sum of its proper divisors (67383501278).

131889775522 is a wasteful number, since it uses less digits than its factorization.

131889775522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281841.

The product of its digits is 8467200, while the sum is 58.

The spelling of 131889775522 in words is "one hundred thirty-one billion, eight hundred eighty-nine million, seven hundred seventy-five thousand, five hundred twenty-two".