142131330 has 48 divisors (see below), whose sum is σ = 403138944. Its totient is φ = 34455840.

The previous prime is 142131299. The next prime is 142131347. The reversal of 142131330 is 33131241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70794 + ... + 72773.

It is an arithmetic number, because the mean of its divisors is an integer number (8398728).

Almost surely, 2^142131330 is an apocalyptic number.

142131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142131330 is an abundant number, since it is smaller than the sum of its proper divisors (261007614).

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

142131330 is a wasteful number, since it uses less digits than its factorization.

142131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143591 (or 143588 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 142131330 is about 11921.8844986856. The cubic root of 142131330 is about 521.8711312656.

Adding to 142131330 its reverse (33131241), we get a palindrome (175262571).

The spelling of 142131330 in words is "one hundred forty-two million, one hundred thirty-one thousand, three hundred thirty".