130623140 has 24 divisors (see below), whose sum is σ = 274892352. Its totient is φ = 52138080.

The previous prime is 130623127. The next prime is 130623149. The reversal of 130623140 is 41326031.

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

It is not an unprimeable number, because it can be changed into a prime (130623149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3035 + ... + 16445.

It is an arithmetic number, because the mean of its divisors is an integer number (11453848).

Almost surely, 2^130623140 is an apocalyptic number.

130623140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130623140 is an abundant number, since it is smaller than the sum of its proper divisors (144269212).

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

130623140 is a wasteful number, since it uses less digits than its factorization.

130623140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907 (or 13905 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 130623140 is about 11429.0480793459. The cubic root of 130623140 is about 507.3878225211.

Adding to 130623140 its reverse (41326031), we get a palindrome (171949171).

The spelling of 130623140 in words is "one hundred thirty million, six hundred twenty-three thousand, one hundred forty".