131388105167486 has 16 divisors (see below), whose sum is σ = 197590672339200. Its totient is φ = 65524608279768.

The previous prime is 131388105167471. The next prime is 131388105167489. The reversal of 131388105167486 is 684761501883131.

It is a happy number.

It is a super-2 number, since 2×131388105167486² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131388105167489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10796870 + ... + 19476873.

It is an arithmetic number, because the mean of its divisors is an integer number (12349417021200).

Almost surely, 2^{131388105167486} is an apocalyptic number.

131388105167486 is a deficient number, since it is larger than the sum of its proper divisors (66202567171714).

131388105167486 is a wasteful number, since it uses less digits than its factorization.

131388105167486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30279343.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 131388105167486 in words is "one hundred thirty-one trillion, three hundred eighty-eight billion, one hundred five million, one hundred sixty-seven thousand, four hundred eighty-six".