130102640 has 20 divisors (see below), whose sum is σ = 302488824. Its totient is φ = 52041024.

The previous prime is 130102639. The next prime is 130102673. The reversal of 130102640 is 46201031.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 813062 + ... + 813221.

Almost surely, 2^130102640 is an apocalyptic number.

130102640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130102640 is an abundant number, since it is smaller than the sum of its proper divisors (172386184).

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

130102640 is a wasteful number, since it uses less digits than its factorization.

130102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626296 (or 1626290 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130102640 is about 11406.2544246567. The cubic root of 130102640 is about 506.7129882242.

Adding to 130102640 its reverse (46201031), we get a palindrome (176303671).

The spelling of 130102640 in words is "one hundred thirty million, one hundred two thousand, six hundred forty".