131069499 has 24 divisors (see below), whose sum is σ = 194297040. Its totient is φ = 78524160.

The previous prime is 131069483. The next prime is 131069501. The reversal of 131069499 is 994960131.

It is not a de Polignac number, because 131069499 - 2⁴ = 131069483 is a prime.

It is a super-2 number, since 2×131069499² = 34358427136222002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131069499.

It is not an unprimeable number, because it can be changed into a prime (131069459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30279 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (8095710).

Almost surely, 2^131069499 is an apocalyptic number.

131069499 is a deficient number, since it is larger than the sum of its proper divisors (63227541).

131069499 is a wasteful number, since it uses less digits than its factorization.

131069499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 131069499 is about 11448.5588175980. The cubic root of 131069499 is about 507.9651057417.

The spelling of 131069499 in words is "one hundred thirty-one million, sixty-nine thousand, four hundred ninety-nine".