140494320 has 60 divisors (see below), whose sum is σ = 471829176. Its totient is φ = 37464960.

The previous prime is 140494309. The next prime is 140494381. The reversal of 140494320 is 23494041.

140494320 is a `hidden beast` number, since 140 + 494 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96846 + ... + 98285.

Almost surely, 2^140494320 is an apocalyptic number.

140494320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140494320 is an abundant number, since it is smaller than the sum of its proper divisors (331334856).

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

140494320 is a wasteful number, since it uses less digits than its factorization.

140494320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195150 (or 195141 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140494320 is about 11853.0299923690. The cubic root of 140494320 is about 519.8598241493.

The spelling of 140494320 in words is "one hundred forty million, four hundred ninety-four thousand, three hundred twenty".