140666151 has 8 divisors (see below), whose sum is σ = 187626240. Its totient is φ = 93741752.

The previous prime is 140666147. The next prime is 140666161. The reversal of 140666151 is 151666041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140666151 - 2² = 140666147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140666161) 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, 2290 + ... + 16928.

It is an arithmetic number, because the mean of its divisors is an integer number (23453280).

Almost surely, 2^140666151 is an apocalyptic number.

140666151 is a deficient number, since it is larger than the sum of its proper divisors (46960089).

140666151 is a wasteful number, since it uses less digits than its factorization.

140666151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 140666151 is about 11860.2761772229. The cubic root of 140666151 is about 520.0716752778.

The spelling of 140666151 in words is "one hundred forty million, six hundred sixty-six thousand, one hundred fifty-one".