140671349 has 8 divisors (see below), whose sum is σ = 173134080. Its totient is φ = 111300336.

The previous prime is 140671339. The next prime is 140671357. The reversal of 140671349 is 943176041.

140671349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140671349 - 2¹² = 140667253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140671339) 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, 772829 + ... + 773010.

It is an arithmetic number, because the mean of its divisors is an integer number (21641760).

Almost surely, 2^140671349 is an apocalyptic number.

It is an amenable number.

140671349 is a deficient number, since it is larger than the sum of its proper divisors (32462731).

140671349 is a wasteful number, since it uses less digits than its factorization.

140671349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545859.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 140671349 is about 11860.4953100619. The cubic root of 140671349 is about 520.0780812238.

The spelling of 140671349 in words is "one hundred forty million, six hundred seventy-one thousand, three hundred forty-nine".