140585216 has 18 divisors (see below), whose sum is σ = 280621782. Its totient is φ = 70292480.

The previous prime is 140585197. The next prime is 140585231. The reversal of 140585216 is 612585041.

It can be written as a sum of positive squares in only one way, i.e., 86415616 + 54169600 = 9296^2 + 7360^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274325 + ... + 274836.

It is an arithmetic number, because the mean of its divisors is an integer number (15590099).

Almost surely, 2^140585216 is an apocalyptic number.

140585216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140585216 is a deficient number, since it is larger than the sum of its proper divisors (140036566).

140585216 is an frugal number, since it uses more digits than its factorization.

140585216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549177 (or 549163 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 140585216 is about 11856.8636662483. The cubic root of 140585216 is about 519.9719116978.

The spelling of 140585216 in words is "one hundred forty million, five hundred eighty-five thousand, two hundred sixteen".