140705371 has 2 divisors, whose sum is σ = 140705372. Its totient is φ = 140705370.

The previous prime is 140705309. The next prime is 140705381. The reversal of 140705371 is 173507041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140705371 - 2⁹ = 140704859 is a prime.

It is not a weakly prime, because it can be changed into another prime (140705381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70352685 + 70352686.

It is an arithmetic number, because the mean of its divisors is an integer number (70352686).

Almost surely, 2^140705371 is an apocalyptic number.

140705371 is a deficient number, since it is larger than the sum of its proper divisors (1).

140705371 is an equidigital number, since it uses as much as digits as its factorization.

140705371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 140705371 is about 11861.9294804850. The cubic root of 140705371 is about 520.1200055870.

The spelling of 140705371 in words is "one hundred forty million, seven hundred five thousand, three hundred seventy-one".