130238550 has 192 divisors, whose sum is σ = 398099520. Its totient is φ = 31104000.

The previous prime is 130238539. The next prime is 130238561. The reversal of 130238550 is 55832031.

It is an interprime number because it is at equal distance from previous prime (130238539) and next prime (130238561).

It is a super-2 number, since 2×130238550² = 33924159812205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 719460 + ... + 719640.

It is an arithmetic number, because the mean of its divisors is an integer number (2073435).

Almost surely, 2^130238550 is an apocalyptic number.

130238550 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 130238550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199049760).

130238550 is an abundant number, since it is smaller than the sum of its proper divisors (267860970).

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

130238550 is a wasteful number, since it uses less digits than its factorization.

130238550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 130238550 is about 11412.2105658807. The cubic root of 130238550 is about 506.8893704910.

The spelling of 130238550 in words is "one hundred thirty million, two hundred thirty-eight thousand, five hundred fifty".