142130400 has 72 divisors (see below), whose sum is σ = 462642264. Its totient is φ = 37900800.

The previous prime is 142130389. The next prime is 142130413. The reversal of 142130400 is 4031241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142130400.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 27211 + ... + 32010.

It is an arithmetic number, because the mean of its divisors is an integer number (6425587).

Almost surely, 2^142130400 is an apocalyptic number.

142130400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142130400 is an abundant number, since it is smaller than the sum of its proper divisors (320511864).

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

142130400 is a wasteful number, since it uses less digits than its factorization.

142130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59244 (or 59231 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142130400 is about 11921.8454947210. The cubic root of 142130400 is about 521.8699930197.

Adding to 142130400 its reverse (4031241), we get a palindrome (146161641).

The spelling of 142130400 in words is "one hundred forty-two million, one hundred thirty thousand, four hundred".