131302026 has 16 divisors (see below), whose sum is σ = 291782400. Its totient is φ = 43767324.

The previous prime is 131302001. The next prime is 131302037. The reversal of 131302026 is 620203131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 1215706 + ... + 1215813.

It is an arithmetic number, because the mean of its divisors is an integer number (18236400).

Almost surely, 2^131302026 is an apocalyptic number.

131302026 is an abundant number, since it is smaller than the sum of its proper divisors (160480374).

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

131302026 is a wasteful number, since it uses less digits than its factorization.

131302026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431530 (or 2431524 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131302026 is about 11458.7096132156. The cubic root of 131302026 is about 508.2653175205.

Adding to 131302026 its reverse (620203131), we get a palindrome (751505157).

The spelling of 131302026 in words is "one hundred thirty-one million, three hundred two thousand, twenty-six".