140336307 has 20 divisors (see below), whose sum is σ = 216870720. Its totient is φ = 90329904.

The previous prime is 140336303. The next prime is 140336327. The reversal of 140336307 is 703633041.

It is a happy number.

It is not a de Polignac number, because 140336307 - 2² = 140336303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140336303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27523 + ... + 32220.

It is an arithmetic number, because the mean of its divisors is an integer number (10843536).

Almost surely, 2^140336307 is an apocalyptic number.

140336307 is a deficient number, since it is larger than the sum of its proper divisors (76534413).

140336307 is an equidigital number, since it uses as much as digits as its factorization.

140336307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59784 (or 59775 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 140336307 is about 11846.3626063024. The cubic root of 140336307 is about 519.6648567763.

Adding to 140336307 its reverse (703633041), we get a palindrome (843969348).

The spelling of 140336307 in words is "one hundred forty million, three hundred thirty-six thousand, three hundred seven".