131456340334 has 64 divisors (see below), whose sum is σ = 239483008512. Its totient is φ = 53381785600.

The previous prime is 131456340289. The next prime is 131456340349. The reversal of 131456340334 is 433043654131.

It is a junction number, because it is equal to n+sod(n) for n = 131456340293 and 131456340302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068534 + ... + 1185190.

It is an arithmetic number, because the mean of its divisors is an integer number (3741922008).

Almost surely, 2^131456340334 is an apocalyptic number.

131456340334 is a deficient number, since it is larger than the sum of its proper divisors (108026668178).

131456340334 is a wasteful number, since it uses less digits than its factorization.

131456340334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116841.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 131456340334 its reverse (433043654131), we get a palindrome (564499994465).

The spelling of 131456340334 in words is "one hundred thirty-one billion, four hundred fifty-six million, three hundred forty thousand, three hundred thirty-four".