131069979 has 6 divisors (see below), whose sum is σ = 189323316. Its totient is φ = 87379980.

The previous prime is 131069909. The next prime is 131069987. The reversal of 131069979 is 979960131.

It is not a de Polignac number, because 131069979 - 2¹¹ = 131067931 is a prime.

It is a super-3 number, since 3×131069979³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131069909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7281657 + ... + 7281674.

It is an arithmetic number, because the mean of its divisors is an integer number (31553886).

Almost surely, 2^131069979 is an apocalyptic number.

131069979 is a deficient number, since it is larger than the sum of its proper divisors (58253337).

131069979 is a wasteful number, since it uses less digits than its factorization.

131069979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14563337 (or 14563334 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 131069979 is about 11448.5797809161. The cubic root of 131069979 is about 507.9657258274.

It can be divided in two parts, 1310 and 69979, that added together give a square (71289 = 267²).

The spelling of 131069979 in words is "one hundred thirty-one million, sixty-nine thousand, nine hundred seventy-nine".