142355621406 has 16 divisors (see below), whose sum is σ = 284815987200. Its totient is φ = 47434416408.

The previous prime is 142355621393. The next prime is 142355621453. The reversal of 142355621406 is 604126553241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346676 + ... + 4379303.

It is an arithmetic number, because the mean of its divisors is an integer number (17800999200).

Almost surely, 2^142355621406 is an apocalyptic number.

142355621406 is an abundant number, since it is smaller than the sum of its proper divisors (142460365794).

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

142355621406 is a wasteful number, since it uses less digits than its factorization.

142355621406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728703.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 142355621406 in words is "one hundred forty-two billion, three hundred fifty-five million, six hundred twenty-one thousand, four hundred six".