140045435405 has 32 divisors (see below), whose sum is σ = 177626787840. Its totient is φ = 105824759040.

The previous prime is 140045435401. The next prime is 140045435417. The reversal of 140045435405 is 504534540041.

It is not a de Polignac number, because 140045435405 - 2² = 140045435401 is a prime.

It is a super-2 number, since 2×140045435405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045435401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30303995 + ... + 30308615.

It is an arithmetic number, because the mean of its divisors is an integer number (5550837120).

Almost surely, 2^140045435405 is an apocalyptic number.

It is an amenable number.

140045435405 is a deficient number, since it is larger than the sum of its proper divisors (37581352435).

140045435405 is a wasteful number, since it uses less digits than its factorization.

140045435405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 140045435405 its reverse (504534540041), we get a palindrome (644579975446).

The spelling of 140045435405 in words is "one hundred forty billion, forty-five million, four hundred thirty-five thousand, four hundred five".