130136203 has 4 divisors (see below), whose sum is σ = 130464400. Its totient is φ = 129808008.

The previous prime is 130136191. The next prime is 130136219. The reversal of 130136203 is 302631031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130136203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130136273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163503 + ... + 164296.

It is an arithmetic number, because the mean of its divisors is an integer number (32616100).

Almost surely, 2^130136203 is an apocalyptic number.

130136203 is a deficient number, since it is larger than the sum of its proper divisors (328197).

130136203 is an equidigital number, since it uses as much as digits as its factorization.

130136203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328196.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 130136203 is about 11407.7255840067. The cubic root of 130136203 is about 506.7565572755.

Adding to 130136203 its reverse (302631031), we get a palindrome (432767234).

The spelling of 130136203 in words is "one hundred thirty million, one hundred thirty-six thousand, two hundred three".