140377943 has 2 divisors, whose sum is σ = 140377944. Its totient is φ = 140377942.

The previous prime is 140377927. The next prime is 140377949. The reversal of 140377943 is 349773041.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (349773041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140377943 - 2⁴ = 140377927 is a prime.

It is a super-2 number, since 2×140377943² = 39411933761822498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140377897 and 140377906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140377949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70188971 + 70188972.

It is an arithmetic number, because the mean of its divisors is an integer number (70188972).

Almost surely, 2^140377943 is an apocalyptic number.

140377943 is a deficient number, since it is larger than the sum of its proper divisors (1).

140377943 is an equidigital number, since it uses as much as digits as its factorization.

140377943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 140377943 is about 11848.1198086447. The cubic root of 140377943 is about 519.7162443490.

The spelling of 140377943 in words is "one hundred forty million, three hundred seventy-seven thousand, nine hundred forty-three".