131564064431626 has 8 divisors (see below), whose sum is σ = 197346185269380. Its totient is φ = 65782002675168.

The previous prime is 131564064431617. The next prime is 131564064431663. The reversal of 131564064431626 is 626134460465131.

It can be written as a sum of positive squares in 2 ways, for example, as 127205577317025 + 4358487114601 = 11278545^2 + 2087699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8705131 + ... + 18409438.

Almost surely, 2^{131564064431626} is an apocalyptic number.

131564064431626 is a deficient number, since it is larger than the sum of its proper divisors (65782120837754).

131564064431626 is a wasteful number, since it uses less digits than its factorization.

131564064431626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29540648.

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 131564064431626 in words is "one hundred thirty-one trillion, five hundred sixty-four billion, sixty-four million, four hundred thirty-one thousand, six hundred twenty-six".