140283686634 has 96 divisors (see below), whose sum is σ = 358411935744. Its totient is φ = 35804358720.

The previous prime is 140283686633. The next prime is 140283686671. The reversal of 140283686634 is 436686382041.

It is a happy number.

140283686634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140283686633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98734 + ... + 538809.

It is an arithmetic number, because the mean of its divisors is an integer number (3733457664).

Almost surely, 2^140283686634 is an apocalyptic number.

140283686634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140283686634 is an abundant number, since it is smaller than the sum of its proper divisors (218128249110).

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

140283686634 is a wasteful number, since it uses less digits than its factorization.

140283686634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637612 (or 637599 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 140283686634 in words is "one hundred forty billion, two hundred eighty-three million, six hundred eighty-six thousand, six hundred thirty-four".