140783653 has 2 divisors, whose sum is σ = 140783654. Its totient is φ = 140783652.

The previous prime is 140783567. The next prime is 140783689. The reversal of 140783653 is 356387041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 6640929 = 11582^2 + 2577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140783653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140783353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70391826 + 70391827.

It is an arithmetic number, because the mean of its divisors is an integer number (70391827).

Almost surely, 2^140783653 is an apocalyptic number.

It is an amenable number.

140783653 is a deficient number, since it is larger than the sum of its proper divisors (1).

140783653 is an equidigital number, since it uses as much as digits as its factorization.

140783653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 140783653 is about 11865.2287377867. The cubic root of 140783653 is about 520.2164446579.

The spelling of 140783653 in words is "one hundred forty million, seven hundred eighty-three thousand, six hundred fifty-three".