142130213421 has 16 divisors (see below), whose sum is σ = 216664155264. Its totient is φ = 81185471424.

The previous prime is 142130213417. The next prime is 142130213483. The reversal of 142130213421 is 124312031241.

It is not a de Polignac number, because 142130213421 - 2² = 142130213417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142130213391 and 142130213400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142130213521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269750 + ... + 1377143.

It is an arithmetic number, because the mean of its divisors is an integer number (13541509704).

Almost surely, 2^142130213421 is an apocalyptic number.

It is an amenable number.

142130213421 is a deficient number, since it is larger than the sum of its proper divisors (74533941843).

142130213421 is a wasteful number, since it uses less digits than its factorization.

142130213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649460.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 142130213421 its reverse (124312031241), we get a palindrome (266442244662).

The spelling of 142130213421 in words is "one hundred forty-two billion, one hundred thirty million, two hundred thirteen thousand, four hundred twenty-one".