140068632 has 96 divisors (see below), whose sum is σ = 388785600. Its totient is φ = 42018240.

The previous prime is 140068631. The next prime is 140068667. The reversal of 140068632 is 236860041.

It is a self number, because there is not a number n which added to its sum of digits gives 140068632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140068631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403483 + ... + 403829.

It is an arithmetic number, because the mean of its divisors is an integer number (4049850).

Almost surely, 2^140068632 is an apocalyptic number.

140068632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140068632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194392800).

140068632 is an abundant number, since it is smaller than the sum of its proper divisors (248716968).

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

140068632 is a wasteful number, since it uses less digits than its factorization.

140068632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 140068632 is about 11835.0594421828. The cubic root of 140068632 is about 519.3342466224.

The spelling of 140068632 in words is "one hundred forty million, sixty-eight thousand, six hundred thirty-two".