131423142241040 has 40 divisors (see below), whose sum is σ = 329063329229208. Its totient is φ = 48525467904000.

The previous prime is 131423142241037. The next prime is 131423142241057. The reversal of 131423142241040 is 40142241324131.

It can be written as a sum of positive squares in 4 ways, for example, as 2061544612864 + 129361597628176 = 1435808^2 + 11373724^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 131423142240988 and 131423142241006.

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, 63184201961 + ... + 63184204040.

Almost surely, 2^{131423142241040} is an apocalyptic number.

131423142241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423142241040 is an abundant number, since it is smaller than the sum of its proper divisors (197640186988168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131423142241040 is a wasteful number, since it uses less digits than its factorization.

131423142241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126368406027 (or 126368406021 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 131423142241040 its reverse (40142241324131), we get a palindrome (171565383565171).

The spelling of 131423142241040 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-two million, two hundred forty-one thousand, forty".