140843093 has 2 divisors, whose sum is σ = 140843094. Its totient is φ = 140843092.

The previous prime is 140843081. The next prime is 140843149. The reversal of 140843093 is 390348041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 29181604 = 10567^2 + 5402^2 .

It is an emirp because it is prime and its reverse (390348041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140843093 - 2¹⁸ = 140580949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140843023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70421546 + 70421547.

It is an arithmetic number, because the mean of its divisors is an integer number (70421547).

Almost surely, 2^140843093 is an apocalyptic number.

It is an amenable number.

140843093 is a deficient number, since it is larger than the sum of its proper divisors (1).

140843093 is an equidigital number, since it uses as much as digits as its factorization.

140843093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 140843093 is about 11867.7332713539. The cubic root of 140843093 is about 520.2896475572.

The spelling of 140843093 in words is "one hundred forty million, eight hundred forty-three thousand, ninety-three".