140380191 has 24 divisors (see below), whose sum is σ = 232128000. Its totient is φ = 80082576.

The previous prime is 140380171. The next prime is 140380217. The reversal of 140380191 is 191083041.

It is not a de Polignac number, because 140380191 - 2⁵ = 140380159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140380111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45310 + ... + 48308.

It is an arithmetic number, because the mean of its divisors is an integer number (9672000).

Almost surely, 2^140380191 is an apocalyptic number.

140380191 is a deficient number, since it is larger than the sum of its proper divisors (91747809).

140380191 is a wasteful number, since it uses less digits than its factorization.

140380191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 140380191 is about 11848.2146756378. The cubic root of 140380191 is about 519.7190185642.

The spelling of 140380191 in words is "one hundred forty million, three hundred eighty thousand, one hundred ninety-one".