130621910 has 16 divisors (see below), whose sum is σ = 242704512. Its totient is φ = 50563200.

The previous prime is 130621901. The next prime is 130621919. The reversal of 130621910 is 19126031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130621901) and next prime (130621919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130621919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210371 + ... + 210990.

It is an arithmetic number, because the mean of its divisors is an integer number (15169032).

Almost surely, 2^130621910 is an apocalyptic number.

130621910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130621910 is a deficient number, since it is larger than the sum of its proper divisors (112082602).

130621910 is a wasteful number, since it uses less digits than its factorization.

130621910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421399.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 130621910 is about 11428.9942689635. The cubic root of 130621910 is about 507.3862299269.

Adding to 130621910 its reverse (19126031), we get a palindrome (149747941).

The spelling of 130621910 in words is "one hundred thirty million, six hundred twenty-one thousand, nine hundred ten".