142400130 has 64 divisors (see below), whose sum is σ = 364290048. Its totient is φ = 35541440.

The previous prime is 142400123. The next prime is 142400149. The reversal of 142400130 is 31004241.

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

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 31 ways as a sum of consecutive naturals, for example, 30235 + ... + 34625.

It is an arithmetic number, because the mean of its divisors is an integer number (5692032).

Almost surely, 2^142400130 is an apocalyptic number.

142400130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142400130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182145024).

142400130 is an abundant number, since it is smaller than the sum of its proper divisors (221889918).

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

142400130 is a wasteful number, since it uses less digits than its factorization.

142400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

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

The square root of 142400130 is about 11933.1525591522. The cubic root of 142400130 is about 522.1999131526.

Adding to 142400130 its reverse (31004241), we get a palindrome (173404371).

The spelling of 142400130 in words is "one hundred forty-two million, four hundred thousand, one hundred thirty".