142896639744 has 432 divisors, whose sum is σ = 463245619200. Its totient is φ = 42152140800.

The previous prime is 142896639737. The next prime is 142896639757. The reversal of 142896639744 is 447936698241.

It is a happy number.

142896639744 is a `hidden beast` number, since 142 + 8 + 9 + 66 + 397 + 44 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39352809 + ... + 39356439.

Almost surely, 2^142896639744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142896639744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231622809600).

142896639744 is an abundant number, since it is smaller than the sum of its proper divisors (320348979456).

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

142896639744 is a wasteful number, since it uses less digits than its factorization.

142896639744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3715 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 142896639744 in words is "one hundred forty-two billion, eight hundred ninety-six million, six hundred thirty-nine thousand, seven hundred forty-four".