140532307 has 2 divisors, whose sum is σ = 140532308. Its totient is φ = 140532306.

The previous prime is 140532281. The next prime is 140532311. The reversal of 140532307 is 703235041.

It is a strong prime.

It is an emirp because it is prime and its reverse (703235041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140532307 - 2¹⁵ = 140499539 is a prime.

It is not a weakly prime, because it can be changed into another prime (140532317) 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, 70266153 + 70266154.

It is an arithmetic number, because the mean of its divisors is an integer number (70266154).

Almost surely, 2^140532307 is an apocalyptic number.

140532307 is a deficient number, since it is larger than the sum of its proper divisors (1).

140532307 is an equidigital number, since it uses as much as digits as its factorization.

140532307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 140532307 is about 11854.6323013411. The cubic root of 140532307 is about 519.9066733400.

Adding to 140532307 its reverse (703235041), we get a palindrome (843767348).

The spelling of 140532307 in words is "one hundred forty million, five hundred thirty-two thousand, three hundred seven".