140390403914 has 16 divisors (see below), whose sum is σ = 213738359688. Its totient is φ = 69146698752.

The previous prime is 140390403863. The next prime is 140390403947. The reversal of 140390403914 is 419304093041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93835005625 + 46555398289 = 306325^2 + 215767^2 .

It is a super-2 number, since 2×140390403914² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486887 + ... + 719610.

Almost surely, 2^140390403914 is an apocalyptic number.

140390403914 is a deficient number, since it is larger than the sum of its proper divisors (73347955774).

140390403914 is a wasteful number, since it uses less digits than its factorization.

140390403914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207369.

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 140390403914 its reverse (419304093041), we get a palindrome (559694496955).

The spelling of 140390403914 in words is "one hundred forty billion, three hundred ninety million, four hundred three thousand, nine hundred fourteen".