131543814565366 has 16 divisors (see below), whose sum is σ = 229325778420480. Its totient is φ = 55420396450920.

The previous prime is 131543814565363. The next prime is 131543814565409. The reversal of 131543814565366 is 663565418345131.

It is a super-2 number, since 2×131543814565366² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131543814565363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79627005570 + ... + 79627007221.

It is an arithmetic number, because the mean of its divisors is an integer number (14332861151280).

Almost surely, 2^{131543814565366} is an apocalyptic number.

131543814565366 is a deficient number, since it is larger than the sum of its proper divisors (97781963855114).

131543814565366 is a wasteful number, since it uses less digits than its factorization.

131543814565366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159254012859.

The product of its digits is 93312000, while the sum is 61.

The spelling of 131543814565366 in words is "one hundred thirty-one trillion, five hundred forty-three billion, eight hundred fourteen million, five hundred sixty-five thousand, three hundred sixty-six".