140785331 has 8 divisors (see below), whose sum is σ = 143824464. Its totient is φ = 137760480.

The previous prime is 140785321. The next prime is 140785339. The reversal of 140785331 is 133587041.

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

It is a cyclic number.

It is not a de Polignac number, because 140785331 - 2¹⁰ = 140784307 is a prime.

It is a super-2 number, since 2×140785331² = 39641018849559122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140785339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17696 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (17978058).

Almost surely, 2^140785331 is an apocalyptic number.

140785331 is a deficient number, since it is larger than the sum of its proper divisors (3039133).

140785331 is an equidigital number, since it uses as much as digits as its factorization.

140785331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 140785331 is about 11865.2994483915. The cubic root of 140785331 is about 520.2185114692.

The spelling of 140785331 in words is "one hundred forty million, seven hundred eighty-five thousand, three hundred thirty-one".