130540550 has 24 divisors (see below), whose sum is σ = 277492656. Its totient is φ = 44756640.

The previous prime is 130540547. The next prime is 130540559. The reversal of 130540550 is 55045031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130540559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186137 + ... + 186836.

It is an arithmetic number, because the mean of its divisors is an integer number (11562194).

Almost surely, 2^130540550 is an apocalyptic number.

130540550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130540550 is an abundant number, since it is smaller than the sum of its proper divisors (146952106).

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

130540550 is a wasteful number, since it uses less digits than its factorization.

130540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372992 (or 372987 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 130540550 is about 11425.4343462295. The cubic root of 130540550 is about 507.2808634344.

Adding to 130540550 its reverse (55045031), we get a palindrome (185585581).

The spelling of 130540550 in words is "one hundred thirty million, five hundred forty thousand, five hundred fifty".