131112789026 has 16 divisors (see below), whose sum is σ = 198654572088. Its totient is φ = 64894848000.

The previous prime is 131112789001. The next prime is 131112789037. The reversal of 131112789026 is 620987211131.

It is a Cunningham number, because it is equal to 362095²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 125971755625 + 5141033401 = 354925^2 + 71701^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039436 + ... + 1158728.

Almost surely, 2^131112789026 is an apocalyptic number.

131112789026 is a deficient number, since it is larger than the sum of its proper divisors (67541783062).

131112789026 is a wasteful number, since it uses less digits than its factorization.

131112789026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124837.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 131112789026 in words is "one hundred thirty-one billion, one hundred twelve million, seven hundred eighty-nine thousand, twenty-six".