130442340 has 48 divisors (see below), whose sum is σ = 417416832. Its totient is φ = 29815296.

The previous prime is 130442297. The next prime is 130442359. The reversal of 130442340 is 43244031.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 154869 + ... + 155708.

It is an arithmetic number, because the mean of its divisors is an integer number (8696184).

Almost surely, 2^130442340 is an apocalyptic number.

130442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130442340 is an abundant number, since it is smaller than the sum of its proper divisors (286974492).

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

130442340 is a wasteful number, since it uses less digits than its factorization.

130442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310596 (or 310594 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130442340 is about 11421.1356703263. The cubic root of 130442340 is about 507.1536167600.

Adding to 130442340 its reverse (43244031), we get a palindrome (173686371).

The spelling of 130442340 in words is "one hundred thirty million, four hundred forty-two thousand, three hundred forty".