130136229 has 6 divisors (see below), whose sum is σ = 187974566. Its totient is φ = 86757480.

The previous prime is 130136219. The next prime is 130136261. The reversal of 130136229 is 922631031.

130136229 is a `hidden beast` number, since 1 + 30 + 1 + 3 + 622 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129276900 + 859329 = 11370^2 + 927^2 .

It is not a de Polignac number, because 130136229 - 2⁷ = 130136101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130136219) 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, 7229782 + ... + 7229799.

Almost surely, 2^130136229 is an apocalyptic number.

It is an amenable number.

130136229 is a deficient number, since it is larger than the sum of its proper divisors (57838337).

130136229 is a wasteful number, since it uses less digits than its factorization.

130136229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459587 (or 14459584 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 130136229 is about 11407.7267235852. The cubic root of 130136229 is about 506.7565910239.

The spelling of 130136229 in words is "one hundred thirty million, one hundred thirty-six thousand, two hundred twenty-nine".