130531340 has 24 divisors (see below), whose sum is σ = 274663872. Its totient is φ = 52108160.

The previous prime is 130531319. The next prime is 130531351. The reversal of 130531340 is 43135031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (11444328).

Almost surely, 2^130531340 is an apocalyptic number.

130531340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130531340 is an abundant number, since it is smaller than the sum of its proper divisors (144132532).

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

130531340 is a wasteful number, since it uses less digits than its factorization.

130531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057 (or 13055 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 130531340 is about 11425.0312909856. The cubic root of 130531340 is about 507.2689331271.

Adding to 130531340 its reverse (43135031), we get a palindrome (173666371).

The spelling of 130531340 in words is "one hundred thirty million, five hundred thirty-one thousand, three hundred forty".