131645543334 has 16 divisors (see below), whose sum is σ = 263294985072. Its totient is φ = 43881198048.

The previous prime is 131645543327. The next prime is 131645543339. The reversal of 131645543334 is 433345546131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131645543339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460092 + ... + 689184.

It is an arithmetic number, because the mean of its divisors is an integer number (16455936567).

Almost surely, 2^131645543334 is an apocalyptic number.

131645543334 is an abundant number, since it is smaller than the sum of its proper divisors (131649441738).

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

131645543334 is a wasteful number, since it uses less digits than its factorization.

131645543334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324871.

The product of its digits is 777600, while the sum is 42.

The spelling of 131645543334 in words is "one hundred thirty-one billion, six hundred forty-five million, five hundred forty-three thousand, three hundred thirty-four".