140793385 has 8 divisors (see below), whose sum is σ = 173073096. Its totient is φ = 109887360.

The previous prime is 140793353. The next prime is 140793409. The reversal of 140793385 is 583397041.

It can be written as a sum of positive squares in 4 ways, for example, as 7252249 + 133541136 = 2693^2 + 11556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140793385 - 2⁵ = 140793353 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 343194 + ... + 343603.

It is an arithmetic number, because the mean of its divisors is an integer number (21634137).

Almost surely, 2^140793385 is an apocalyptic number.

It is an amenable number.

140793385 is a deficient number, since it is larger than the sum of its proper divisors (32279711).

140793385 is an equidigital number, since it uses as much as digits as its factorization.

140793385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686843.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 140793385 is about 11865.6388365734. The cubic root of 140793385 is about 520.2284314421.

The spelling of 140793385 in words is "one hundred forty million, seven hundred ninety-three thousand, three hundred eighty-five".