140356386 has 48 divisors (see below), whose sum is σ = 329513184. Its totient is φ = 43005312.

The previous prime is 140356379. The next prime is 140356417. The reversal of 140356386 is 683653041.

140356386 is a `hidden beast` number, since 14 + 0 + 3 + 5 + 638 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 140356386.

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 23 ways as a sum of consecutive naturals, for example, 7825 + ... + 18491.

It is an arithmetic number, because the mean of its divisors is an integer number (6864858).

Almost surely, 2^140356386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140356386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164756592).

140356386 is an abundant number, since it is smaller than the sum of its proper divisors (189156798).

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

140356386 is a wasteful number, since it uses less digits than its factorization.

140356386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 140356386 is about 11847.2100513159. The cubic root of 140356386 is about 519.6896397501.

The spelling of 140356386 in words is "one hundred forty million, three hundred fifty-six thousand, three hundred eighty-six".