140773837 has 2 divisors, whose sum is σ = 140773838. Its totient is φ = 140773836.

The previous prime is 140773817. The next prime is 140773847. The reversal of 140773837 is 738377041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88153321 + 52620516 = 9389^2 + 7254^2 .

It is an emirp because it is prime and its reverse (738377041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140773837 - 2¹¹ = 140771789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140773837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140773807) 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, 70386918 + 70386919.

It is an arithmetic number, because the mean of its divisors is an integer number (70386919).

Almost surely, 2^140773837 is an apocalyptic number.

It is an amenable number.

140773837 is a deficient number, since it is larger than the sum of its proper divisors (1).

140773837 is an equidigital number, since it uses as much as digits as its factorization.

140773837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 140773837 is about 11864.8150849476. The cubic root of 140773837 is about 520.2043538524.

The spelling of 140773837 in words is "one hundred forty million, seven hundred seventy-three thousand, eight hundred thirty-seven".