130542630 has 64 divisors (see below), whose sum is σ = 326289600. Its totient is φ = 33384960.

The previous prime is 130542617. The next prime is 130542631. The reversal of 130542630 is 36245031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130542630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130542631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157056 + ... + 157884.

It is an arithmetic number, because the mean of its divisors is an integer number (5098275).

Almost surely, 2^130542630 is an apocalyptic number.

130542630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130542630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163144800).

130542630 is an abundant number, since it is smaller than the sum of its proper divisors (195746970).

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

130542630 is a wasteful number, since it uses less digits than its factorization.

130542630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 130542630 is about 11425.5253708528. The cubic root of 130542630 is about 507.2835577150.

Adding to 130542630 its reverse (36245031), we get a palindrome (166787661).

The spelling of 130542630 in words is "one hundred thirty million, five hundred forty-two thousand, six hundred thirty".