142205512634 has 24 divisors (see below), whose sum is σ = 218077442400. Its totient is φ = 69545702952.

The previous prime is 142205512591. The next prime is 142205512637. The reversal of 142205512634 is 436215502241.

It is a junction number, because it is equal to n+sod(n) for n = 142205512594 and 142205512603.

It is not an unprimeable number, because it can be changed into a prime (142205512637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334117 + ... + 1436759.

It is an arithmetic number, because the mean of its divisors is an integer number (9086560100).

Almost surely, 2^142205512634 is an apocalyptic number.

142205512634 is a deficient number, since it is larger than the sum of its proper divisors (75871929766).

142205512634 is a wasteful number, since it uses less digits than its factorization.

142205512634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102962 (or 102903 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 142205512634 in words is "one hundred forty-two billion, two hundred five million, five hundred twelve thousand, six hundred thirty-four".