131858788643 has 8 divisors (see below), whose sum is σ = 132006159648. Its totient is φ = 131711495104.

The previous prime is 131858788639. The next prime is 131858788673. The reversal of 131858788643 is 346887858131.

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

It is a cyclic number.

It is not a de Polignac number, because 131858788643 - 2² = 131858788639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131858788603) 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, 3795530 + ... + 3830112.

It is an arithmetic number, because the mean of its divisors is an integer number (16500769956).

Almost surely, 2^131858788643 is an apocalyptic number.

131858788643 is a deficient number, since it is larger than the sum of its proper divisors (147371005).

131858788643 is a wasteful number, since it uses less digits than its factorization.

131858788643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38733.

The product of its digits is 30965760, while the sum is 62.

The spelling of 131858788643 in words is "one hundred thirty-one billion, eight hundred fifty-eight million, seven hundred eighty-eight thousand, six hundred forty-three".