140235066 has 24 divisors (see below), whose sum is σ = 306854964. Its totient is φ = 46281600.

The previous prime is 140235061. The next prime is 140235113. The reversal of 140235066 is 660532041.

140235066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98903025 + 41332041 = 9945^2 + 6429^2 .

It is not an unprimeable number, because it can be changed into a prime (140235061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36751 + ... + 40386.

Almost surely, 2^140235066 is an apocalyptic number.

140235066 is an abundant number, since it is smaller than the sum of its proper divisors (166619898).

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

140235066 is a wasteful number, since it uses less digits than its factorization.

140235066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77246 (or 77243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 140235066 is about 11842.0887515674. The cubic root of 140235066 is about 519.5398616900.

The spelling of 140235066 in words is "one hundred forty million, two hundred thirty-five thousand, sixty-six".