131720246746 has 32 divisors (see below), whose sum is σ = 223098468480. Its totient is φ = 57776174400.

The previous prime is 131720246689. The next prime is 131720246747. The reversal of 131720246746 is 647642027131.

It is not an unprimeable number, because it can be changed into a prime (131720246747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111800 + ... + 1224556.

It is an arithmetic number, because the mean of its divisors is an integer number (6971827140).

Almost surely, 2^131720246746 is an apocalyptic number.

131720246746 is a deficient number, since it is larger than the sum of its proper divisors (91378221734).

131720246746 is a wasteful number, since it uses less digits than its factorization.

131720246746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114630.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 131720246746 in words is "one hundred thirty-one billion, seven hundred twenty million, two hundred forty-six thousand, seven hundred forty-six".