140055305 has 16 divisors (see below), whose sum is σ = 182118720. Its totient is φ = 102783168.

The previous prime is 140055301. The next prime is 140055319. The reversal of 140055305 is 503550041.

It is a cyclic number.

It is not a de Polignac number, because 140055305 - 2² = 140055301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140055301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3986 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (11382420).

Almost surely, 2^140055305 is an apocalyptic number.

It is an amenable number.

140055305 is a deficient number, since it is larger than the sum of its proper divisors (42063415).

140055305 is a wasteful number, since it uses less digits than its factorization.

140055305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 140055305 is about 11834.4963982419. The cubic root of 140055305 is about 519.3177752042.

The spelling of 140055305 in words is "one hundred forty million, fifty-five thousand, three hundred five".