140065431514 has 8 divisors (see below), whose sum is σ = 217342911060. Its totient is φ = 67617794496.

The previous prime is 140065431481. The next prime is 140065431557. The reversal of 140065431514 is 415134560041.

It can be written as a sum of positive squares in 2 ways, for example, as 140050338289 + 15093225 = 374233^2 + 3885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140065431514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207460559 + ... + 1207460674.

Almost surely, 2^140065431514 is an apocalyptic number.

140065431514 is a deficient number, since it is larger than the sum of its proper divisors (77277479546).

140065431514 is a wasteful number, since it uses less digits than its factorization.

140065431514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414921264.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 140065431514 its reverse (415134560041), we get a palindrome (555199991555).

The spelling of 140065431514 in words is "one hundred forty billion, sixty-five million, four hundred thirty-one thousand, five hundred fourteen".