131440741746 has 32 divisors (see below), whose sum is σ = 278483946048. Its totient is φ = 41215741440.

The previous prime is 131440741699. The next prime is 131440741753. The reversal of 131440741746 is 647147044131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131440741698 and 131440741707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115275 + ... + 525518.

It is an arithmetic number, because the mean of its divisors is an integer number (8702623314).

Almost surely, 2^131440741746 is an apocalyptic number.

131440741746 is an abundant number, since it is smaller than the sum of its proper divisors (147043204302).

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

131440741746 is a wasteful number, since it uses less digits than its factorization.

131440741746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642826.

The product of its (nonzero) digits is 225792, while the sum is 42.

Adding to 131440741746 its reverse (647147044131), we get a palindrome (778587785877).

The spelling of 131440741746 in words is "one hundred thirty-one billion, four hundred forty million, seven hundred forty-one thousand, seven hundred forty-six".