140562216 has 40 divisors (see below), whose sum is σ = 393706170. Its totient is φ = 46853856.

The previous prime is 140562211. The next prime is 140562229. The reversal of 140562216 is 612265041.

It can be written as a sum of positive squares in only one way, i.e., 117809316 + 22752900 = 10854^2 + 4770^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140562216.

It is not an unprimeable number, because it can be changed into a prime (140562211) 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 9 ways as a sum of consecutive naturals, for example, 107811 + ... + 109106.

Almost surely, 2^140562216 is an apocalyptic number.

It is an amenable number.

140562216 is an abundant number, since it is smaller than the sum of its proper divisors (253143954).

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

140562216 is a wasteful number, since it uses less digits than its factorization.

140562216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216935 (or 216922 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140562216 is about 11855.8937242200. The cubic root of 140562216 is about 519.9435540308.

The spelling of 140562216 in words is "one hundred forty million, five hundred sixty-two thousand, two hundred sixteen".