140548109 has 8 divisors (see below), whose sum is σ = 151573632. Its totient is φ = 129553200.

The previous prime is 140548099. The next prime is 140548117. The reversal of 140548109 is 901845041.

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 140548109 - 2²⁴ = 123770893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140548139) 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, 2384 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (18946704).

Almost surely, 2^140548109 is an apocalyptic number.

It is an amenable number.

140548109 is a deficient number, since it is larger than the sum of its proper divisors (11025523).

140548109 is a wasteful number, since it uses less digits than its factorization.

140548109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 140548109 is about 11855.2987731225. The cubic root of 140548109 is about 519.9261593868.

The spelling of 140548109 in words is "one hundred forty million, five hundred forty-eight thousand, one hundred nine".