140056265505 has 32 divisors (see below), whose sum is σ = 254029184640. Its totient is φ = 65321786880.

The previous prime is 140056265477. The next prime is 140056265509. The reversal of 140056265505 is 505562650041.

It is a happy number.

It is not a de Polignac number, because 140056265505 - 2⁸ = 140056265249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140056265509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18897276 + ... + 18904685.

It is an arithmetic number, because the mean of its divisors is an integer number (7938412020).

Almost surely, 2^140056265505 is an apocalyptic number.

140056265505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140056265505 is a deficient number, since it is larger than the sum of its proper divisors (113972919135).

140056265505 is a wasteful number, since it uses less digits than its factorization.

140056265505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37802001.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 140056265505 in words is "one hundred forty billion, fifty-six million, two hundred sixty-five thousand, five hundred five".