131004026 has 16 divisors (see below), whose sum is σ = 198374400. Its totient is φ = 64882608.

The previous prime is 131004011. The next prime is 131004037. The reversal of 131004026 is 620400131.

It is a junction number, because it is equal to n+sod(n) for n = 131003995 and 131004013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105980 + ... + 107208.

It is an arithmetic number, because the mean of its divisors is an integer number (12398400).

Almost surely, 2^131004026 is an apocalyptic number.

131004026 is a deficient number, since it is larger than the sum of its proper divisors (67370374).

131004026 is a wasteful number, since it uses less digits than its factorization.

131004026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131004026 is about 11445.6990175349. The cubic root of 131004026 is about 507.8805105742.

Adding to 131004026 its reverse (620400131), we get a palindrome (751404157).

The spelling of 131004026 in words is "one hundred thirty-one million, four thousand, twenty-six".