131403142105 has 8 divisors (see below), whose sum is σ = 157727678472. Its totient is φ = 105093241728.

The previous prime is 131403142069. The next prime is 131403142141. The reversal of 131403142105 is 501241304131.

It is an interprime number because it is at equal distance from previous prime (131403142069) and next prime (131403142141).

It can be written as a sum of positive squares in 4 ways, for example, as 3762718281 + 127640423824 = 61341^2 + 357268^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131403142105 - 2²⁷ = 131268924377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131403142105.

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, 3639234 + ... + 3675163.

It is an arithmetic number, because the mean of its divisors is an integer number (19715959809).

Almost surely, 2^131403142105 is an apocalyptic number.

It is an amenable number.

131403142105 is a deficient number, since it is larger than the sum of its proper divisors (26324536367).

131403142105 is an equidigital number, since it uses as much as digits as its factorization.

131403142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317995.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131403142105 its reverse (501241304131), we get a palindrome (632644446236).

The spelling of 131403142105 in words is "one hundred thirty-one billion, four hundred three million, one hundred forty-two thousand, one hundred five".