140655212 has 48 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 62760192.

The previous prime is 140655211. The next prime is 140655217. The reversal of 140655212 is 212556041.

It is not an unprimeable number, because it can be changed into a prime (140655211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217073 + ... + 217719.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^140655212 is an apocalyptic number.

It is an amenable number.

140655212 is a deficient number, since it is larger than the sum of its proper divisors (133682068).

140655212 is a wasteful number, since it uses less digits than its factorization.

140655212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140655212 is about 11859.8150069889. The cubic root of 140655212 is about 520.0581936845.

The spelling of 140655212 in words is "one hundred forty million, six hundred fifty-five thousand, two hundred twelve".