140350784 has 112 divisors (see below), whose sum is σ = 339717888. Its totient is φ = 56229888.

The previous prime is 140350783. The next prime is 140350801. The reversal of 140350784 is 487053041.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 140350784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140350781) 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 15 ways as a sum of consecutive naturals, for example, 545984 + ... + 546240.

Almost surely, 2^140350784 is an apocalyptic number.

140350784 is a gapful number since it is divisible by the number (14) 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 140350784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169858944).

140350784 is an abundant number, since it is smaller than the sum of its proper divisors (199367104).

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

140350784 is a wasteful number, since it uses less digits than its factorization.

140350784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 140350784 is about 11846.9736219846. The cubic root of 140350784 is about 519.6827255887.

The spelling of 140350784 in words is "one hundred forty million, three hundred fifty thousand, seven hundred eighty-four".