142034132421 has 16 divisors (see below), whose sum is σ = 210535931520. Its totient is φ = 94637674080.

The previous prime is 142034132411. The next prime is 142034132467. The reversal of 142034132421 is 124231430241.

142034132421 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 3 + 413 + 242 + 1 = 666.

It is not a de Polignac number, because 142034132421 - 2⁵ = 142034132389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142034132411) 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, 1387080 + ... + 1485953.

It is an arithmetic number, because the mean of its divisors is an integer number (13158495720).

Almost surely, 2^142034132421 is an apocalyptic number.

It is an amenable number.

142034132421 is a deficient number, since it is larger than the sum of its proper divisors (68501799099).

142034132421 is a wasteful number, since it uses less digits than its factorization.

142034132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874873 (or 2874867 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142034132421 its reverse (124231430241), we get a palindrome (266265562662).

The spelling of 142034132421 in words is "one hundred forty-two billion, thirty-four million, one hundred thirty-two thousand, four hundred twenty-one".