142400342132 has 12 divisors (see below), whose sum is σ = 249312013860. Its totient is φ = 71168338176.

The previous prime is 142400342101. The next prime is 142400342167. The reversal of 142400342132 is 231243004241.

It can be written as a sum of positive squares in 2 ways, for example, as 51362969956 + 91037372176 = 226634^2 + 301724^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7948157 + ... + 7966052.

It is an arithmetic number, because the mean of its divisors is an integer number (20776001155).

Almost surely, 2^142400342132 is an apocalyptic number.

It is an amenable number.

142400342132 is a deficient number, since it is larger than the sum of its proper divisors (106911671728).

142400342132 is a wasteful number, since it uses less digits than its factorization.

142400342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916450 (or 15916448 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142400342132 its reverse (231243004241), we get a palindrome (373643346373).

The spelling of 142400342132 in words is "one hundred forty-two billion, four hundred million, three hundred forty-two thousand, one hundred thirty-two".