130152420 has 60 divisors (see below), whose sum is σ = 408298044. Its totient is φ = 34706880.

The previous prime is 130152419. The next prime is 130152457. The reversal of 130152420 is 24251031.

It can be written as a sum of positive squares in 2 ways, for example, as 83612736 + 46539684 = 9144^2 + 6822^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130152393 and 130152402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38551 + ... + 41790.

Almost surely, 2^130152420 is an apocalyptic number.

130152420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130152420 is an abundant number, since it is smaller than the sum of its proper divisors (278145624).

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

130152420 is a wasteful number, since it uses less digits than its factorization.

130152420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80362 (or 80351 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130152420 is about 11408.4363521036. The cubic root of 130152420 is about 506.7776063240. Note that the first 3 decimals are identical.

The spelling of 130152420 in words is "one hundred thirty million, one hundred fifty-two thousand, four hundred twenty".