140666202 has 12 divisors (see below), whose sum is σ = 304776810. Its totient is φ = 46888728.

The previous prime is 140666171. The next prime is 140666209. The reversal of 140666202 is 202666041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 58201641 = 9081^2 + 7629^2 .

It is not an unprimeable number, because it can be changed into a prime (140666209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3907377 + ... + 3907412.

Almost surely, 2^140666202 is an apocalyptic number.

140666202 is an abundant number, since it is smaller than the sum of its proper divisors (164110608).

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

140666202 is a wasteful number, since it uses less digits than its factorization.

140666202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814797 (or 7814794 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 140666202 is about 11860.2783272569. The cubic root of 140666202 is about 520.0717381303.

The spelling of 140666202 in words is "one hundred forty million, six hundred sixty-six thousand, two hundred two".