130641620 has 12 divisors (see below), whose sum is σ = 274347444. Its totient is φ = 52256640.

The previous prime is 130641613. The next prime is 130641647. The reversal of 130641620 is 26146031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44782864 + 85858756 = 6692^2 + 9266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266021 + ... + 3266060.

It is an arithmetic number, because the mean of its divisors is an integer number (22862287).

Almost surely, 2^130641620 is an apocalyptic number.

130641620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130641620 is an abundant number, since it is smaller than the sum of its proper divisors (143705824).

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

130641620 is a wasteful number, since it uses less digits than its factorization.

130641620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532090 (or 6532088 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130641620 is about 11429.8565170347. The cubic root of 130641620 is about 507.4117490750.

Adding to 130641620 its reverse (26146031), we get a palindrome (156787651).

The spelling of 130641620 in words is "one hundred thirty million, six hundred forty-one thousand, six hundred twenty".