142395831906 has 16 divisors (see below), whose sum is σ = 285095614944. Its totient is φ = 47414618784.

The previous prime is 142395831881. The next prime is 142395831913. The reversal of 142395831906 is 609138593241.

It is a super-3 number, since 3×142395831906³ (a number of 34 digits) contains 333 as substring.

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, 12658540 + ... + 12669783.

It is an arithmetic number, because the mean of its divisors is an integer number (17818475934).

Almost surely, 2^142395831906 is an apocalyptic number.

142395831906 is an abundant number, since it is smaller than the sum of its proper divisors (142699783038).

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

142395831906 is a wasteful number, since it uses less digits than its factorization.

142395831906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329265.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 142395831906 in words is "one hundred forty-two billion, three hundred ninety-five million, eight hundred thirty-one thousand, nine hundred six".