130520155 has 8 divisors (see below), whose sum is σ = 162025200. Its totient is φ = 100815456.

The previous prime is 130520141. The next prime is 130520167. The reversal of 130520155 is 551025031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130520155 - 2⁵ = 130520123 is a prime.

It is a super-3 number, since 3×130520155³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449925 + ... + 450214.

It is an arithmetic number, because the mean of its divisors is an integer number (20253150).

Almost surely, 2^130520155 is an apocalyptic number.

130520155 is a deficient number, since it is larger than the sum of its proper divisors (31505045).

130520155 is an equidigital number, since it uses as much as digits as its factorization.

130520155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900173.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 130520155 is about 11424.5417851221. The cubic root of 130520155 is about 507.2544437203.

Adding to 130520155 its reverse (551025031), we get a palindrome (681545186).

The spelling of 130520155 in words is "one hundred thirty million, five hundred twenty thousand, one hundred fifty-five".