130136424 has 64 divisors (see below), whose sum is σ = 360780480. Its totient is φ = 38784000.

The previous prime is 130136399. The next prime is 130136431. The reversal of 130136424 is 424631031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 130136394 and 130136403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12064 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (5637195).

Almost surely, 2^130136424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130136424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180390240).

130136424 is an abundant number, since it is smaller than the sum of its proper divisors (230644056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130136424 is a wasteful number, since it uses less digits than its factorization.

130136424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162 (or 8158 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 130136424 is about 11407.7352704207. The cubic root of 130136424 is about 506.7568441368.

Adding to 130136424 its reverse (424631031), we get a palindrome (554767455).

The spelling of 130136424 in words is "one hundred thirty million, one hundred thirty-six thousand, four hundred twenty-four".