142040664634 has 32 divisors (see below), whose sum is σ = 240141718656. Its totient is φ = 62442745920.

The previous prime is 142040664533. The next prime is 142040664641. The reversal of 142040664634 is 436466040241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386509 + ... + 658384.

It is an arithmetic number, because the mean of its divisors is an integer number (7504428708).

Almost surely, 2^142040664634 is an apocalyptic number.

142040664634 is a deficient number, since it is larger than the sum of its proper divisors (98101054022).

142040664634 is a wasteful number, since it uses less digits than its factorization.

142040664634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045110.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 142040664634 in words is "one hundred forty-two billion, forty million, six hundred sixty-four thousand, six hundred thirty-four".