140613786 has 64 divisors (see below), whose sum is σ = 319939200. Its totient is φ = 45767808.

The previous prime is 140613773. The next prime is 140613793. The reversal of 140613786 is 687316041.

It is a self number, because there is not a number n which added to its sum of digits gives 140613786.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 613920 + ... + 614148.

It is an arithmetic number, because the mean of its divisors is an integer number (4999050).

Almost surely, 2^140613786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140613786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159969600).

140613786 is an abundant number, since it is smaller than the sum of its proper divisors (179325414).

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

140613786 is a wasteful number, since it uses less digits than its factorization.

140613786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140613786 is about 11858.0683924491. The cubic root of 140613786 is about 520.0071325452.

The spelling of 140613786 in words is "one hundred forty million, six hundred thirteen thousand, seven hundred eighty-six".