130542720 has 256 divisors, whose sum is σ = 519367680. Its totient is φ = 27095040.

The previous prime is 130542719. The next prime is 130542739. The reversal of 130542720 is 27245031.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147399 + ... + 148281.

It is an arithmetic number, because the mean of its divisors is an integer number (2028780).

Almost surely, 2^130542720 is an apocalyptic number.

130542720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130542720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259683840).

130542720 is an abundant number, since it is smaller than the sum of its proper divisors (388824960).

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

130542720 is a wasteful number, since it uses less digits than its factorization.

130542720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 130542720 is about 11425.5293094018. The cubic root of 130542720 is about 507.2836742938.

Adding to 130542720 its reverse (27245031), we get a palindrome (157787751).

The spelling of 130542720 in words is "one hundred thirty million, five hundred forty-two thousand, seven hundred twenty".