130188465 has 112 divisors (see below), whose sum is σ = 271973376. Its totient is φ = 59097600.

The previous prime is 130188389. The next prime is 130188467. The reversal of 130188465 is 564881031.

130188465 is a `hidden beast` number, since 13 + 0 + 188 + 465 = 666.

It is not a de Polignac number, because 130188465 - 2¹⁰ = 130187441 is a prime.

It is a super-3 number, since 3×130188465³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130188467) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 681520 + ... + 681710.

Almost surely, 2^130188465 is an apocalyptic number.

130188465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130188465 is an abundant number, since it is smaller than the sum of its proper divisors (141784911).

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

130188465 is a wasteful number, since it uses less digits than its factorization.

130188465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 130188465 is about 11410.0159947302. The cubic root of 130188465 is about 506.8243851002.

The spelling of 130188465 in words is "one hundred thirty million, one hundred eighty-eight thousand, four hundred sixty-five".