140325666 has 32 divisors (see below), whose sum is σ = 302709120. Its totient is φ = 43110144.

The previous prime is 140325631. The next prime is 140325683. The reversal of 140325666 is 666523041.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77811 + ... + 79593.

It is an arithmetic number, because the mean of its divisors is an integer number (9459660).

Almost surely, 2^140325666 is an apocalyptic number.

140325666 is an abundant number, since it is smaller than the sum of its proper divisors (162383454).

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

140325666 is a wasteful number, since it uses less digits than its factorization.

140325666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 140325666 is about 11845.9134725862. The cubic root of 140325666 is about 519.6517219156.

The spelling of 140325666 in words is "one hundred forty million, three hundred twenty-five thousand, six hundred sixty-six".