140133666 has 16 divisors (see below), whose sum is σ = 280809504. Its totient is φ = 46620864.

The previous prime is 140133661. The next prime is 140133677. The reversal of 140133666 is 666331041.

It is not an unprimeable number, because it can be changed into a prime (140133661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19191 + ... + 25466.

It is an arithmetic number, because the mean of its divisors is an integer number (17550594).

Almost surely, 2^140133666 is an apocalyptic number.

140133666 is an abundant number, since it is smaller than the sum of its proper divisors (140675838).

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

140133666 is a wasteful number, since it uses less digits than its factorization.

140133666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45185.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 140133666 is about 11837.8066380559. The cubic root of 140133666 is about 519.4146099821.

The spelling of 140133666 in words is "one hundred forty million, one hundred thirty-three thousand, six hundred sixty-six".