130136505 has 8 divisors (see below), whose sum is σ = 208218432. Its totient is φ = 69406128.

The previous prime is 130136471. The next prime is 130136509. The reversal of 130136505 is 505631031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130136505 - 2⁶ = 130136441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130136509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337869 + ... + 4337898.

It is an arithmetic number, because the mean of its divisors is an integer number (26027304).

Almost surely, 2^130136505 is an apocalyptic number.

130136505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130136505 is a deficient number, since it is larger than the sum of its proper divisors (78081927).

130136505 is an equidigital number, since it uses as much as digits as its factorization.

130136505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675775.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 130136505 is about 11407.7388206428. The cubic root of 130136505 is about 506.7569492760.

Adding to 130136505 its reverse (505631031), we get a palindrome (635767536).

The spelling of 130136505 in words is "one hundred thirty million, one hundred thirty-six thousand, five hundred five".