188131332007 has 8 divisors (see below), whose sum is σ = 199849799600. Its totient is φ = 176594546304.

The previous prime is 188131332001. The next prime is 188131332047. The reversal of 188131332007 is 700233131881.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188131332007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188131332001) 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, 45418338 + ... + 45422479.

It is an arithmetic number, because the mean of its divisors is an integer number (24981224950).

Almost surely, 2^188131332007 is an apocalyptic number.

188131332007 is a deficient number, since it is larger than the sum of its proper divisors (11718467593).

188131332007 is a wasteful number, since it uses less digits than its factorization.

188131332007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90840945.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 188131332007 its reverse (700233131881), we get a palindrome (888364463888).

The spelling of 188131332007 in words is "one hundred eighty-eight billion, one hundred thirty-one million, three hundred thirty-two thousand, seven".