140545307 has 8 divisors (see below), whose sum is σ = 170071776. Its totient is φ = 113380992.

The previous prime is 140545303. The next prime is 140545309. The reversal of 140545307 is 703545041.

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 140545307 - 2² = 140545303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140545307.

It is not an unprimeable number, because it can be changed into a prime (140545303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590408 + ... + 590645.

It is an arithmetic number, because the mean of its divisors is an integer number (21258972).

Almost surely, 2^140545307 is an apocalyptic number.

140545307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140545307 is a deficient number, since it is larger than the sum of its proper divisors (29526469).

140545307 is a wasteful number, since it uses less digits than its factorization.

140545307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181077.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 140545307 is about 11855.1805975278. The cubic root of 140545307 is about 519.9227042407.

The spelling of 140545307 in words is "one hundred forty million, five hundred forty-five thousand, three hundred seven".