131680002 has 16 divisors (see below), whose sum is σ = 271855872. Its totient is φ = 42477360.

The previous prime is 131679973. The next prime is 131680009. The reversal of 131680002 is 200086131.

It is not an unprimeable number, because it can be changed into a prime (131680009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353793 + ... + 354164.

It is an arithmetic number, because the mean of its divisors is an integer number (16990992).

Almost surely, 2^131680002 is an apocalyptic number.

131680002 is an abundant number, since it is smaller than the sum of its proper divisors (140175870).

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

131680002 is a wasteful number, since it uses less digits than its factorization.

131680002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707993.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 131680002 is about 11475.1907173694. The cubic root of 131680002 is about 508.7525606827.

It can be divided in two parts, 1316 and 80002, that added together give a palindrome (81318).

The spelling of 131680002 in words is "one hundred thirty-one million, six hundred eighty thousand, two".