140794816 has 56 divisors (see below), whose sum is σ = 298130976. Its totient is φ = 65740800.

The previous prime is 140794813. The next prime is 140794817. The reversal of 140794816 is 618497041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140794811) 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 7 ways as a sum of consecutive naturals, for example, 163860 + ... + 164716.

Almost surely, 2^140794816 is an apocalyptic number.

140794816 is a gapful number since it is divisible by the number (16) 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 140794816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149065488).

140794816 is an abundant number, since it is smaller than the sum of its proper divisors (157336160).

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

140794816 is a wasteful number, since it uses less digits than its factorization.

140794816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 140794816 is about 11865.6991365869. The cubic root of 140794816 is about 520.2301939405.

The spelling of 140794816 in words is "one hundred forty million, seven hundred ninety-four thousand, eight hundred sixteen".