130121340 has 24 divisors (see below), whose sum is σ = 364339920. Its totient is φ = 34699008.

The previous prime is 130121339. The next prime is 130121359. The reversal of 130121340 is 43121031.

130121340 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

130121340 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084285 + ... + 1084404.

It is an arithmetic number, because the mean of its divisors is an integer number (15180830).

Almost surely, 2^130121340 is an apocalyptic number.

130121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130121340 is an abundant number, since it is smaller than the sum of its proper divisors (234218580).

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

130121340 is a wasteful number, since it uses less digits than its factorization.

130121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168701 (or 2168699 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130121340 is about 11407.0741209129. The cubic root of 130121340 is about 506.7372641316.

Adding to 130121340 its reverse (43121031), we get a palindrome (173242371).

The spelling of 130121340 in words is "one hundred thirty million, one hundred twenty-one thousand, three hundred forty".