140015345505 has 16 divisors (see below), whose sum is σ = 256028060544. Its totient is φ = 64007015040.

The previous prime is 140015345497. The next prime is 140015345543. The reversal of 140015345505 is 505543510041.

It is not a de Polignac number, because 140015345505 - 2³ = 140015345497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666739636 + ... + 666739845.

It is an arithmetic number, because the mean of its divisors is an integer number (16001753784).

Almost surely, 2^140015345505 is an apocalyptic number.

140015345505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140015345505 is a deficient number, since it is larger than the sum of its proper divisors (116012715039).

140015345505 is a wasteful number, since it uses less digits than its factorization.

140015345505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333479496.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 140015345505 its reverse (505543510041), we get a palindrome (645558855546).

The spelling of 140015345505 in words is "one hundred forty billion, fifteen million, three hundred forty-five thousand, five hundred five".