140971371 has 4 divisors (see below), whose sum is σ = 187961832. Its totient is φ = 93980912.

The previous prime is 140971343. The next prime is 140971373. The reversal of 140971371 is 173179041.

140971371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140971371 - 2¹⁷ = 140840299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140971373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23495226 + ... + 23495231.

It is an arithmetic number, because the mean of its divisors is an integer number (46990458).

Almost surely, 2^140971371 is an apocalyptic number.

140971371 is a deficient number, since it is larger than the sum of its proper divisors (46990461).

140971371 is an equidigital number, since it uses as much as digits as its factorization.

140971371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46990460.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 140971371 is about 11873.1365274724. The cubic root of 140971371 is about 520.4475572370.

The spelling of 140971371 in words is "one hundred forty million, nine hundred seventy-one thousand, three hundred seventy-one".