131353135784 has 64 divisors (see below), whose sum is σ = 285684907200. Its totient is φ = 56098054656.

The previous prime is 131353135777. The next prime is 131353135831. The reversal of 131353135784 is 487531353131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687989 + ... + 857924.

It is an arithmetic number, because the mean of its divisors is an integer number (4463826675).

Almost surely, 2^131353135784 is an apocalyptic number.

It is an amenable number.

131353135784 is an abundant number, since it is smaller than the sum of its proper divisors (154331771416).

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

131353135784 is a wasteful number, since it uses less digits than its factorization.

131353135784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545994 (or 1545990 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The spelling of 131353135784 in words is "one hundred thirty-one billion, three hundred fifty-three million, one hundred thirty-five thousand, seven hundred eighty-four".