140556165041 has 4 divisors (see below), whose sum is σ = 143546721792. Its totient is φ = 137565608292.

The previous prime is 140556165037. The next prime is 140556165049. The reversal of 140556165041 is 140561655041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140556165041 - 2² = 140556165037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140556164986 and 140556165004.

It is not an unprimeable number, because it can be changed into a prime (140556165049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495278305 + ... + 1495278398.

It is an arithmetic number, because the mean of its divisors is an integer number (35886680448).

Almost surely, 2^140556165041 is an apocalyptic number.

It is an amenable number.

140556165041 is a deficient number, since it is larger than the sum of its proper divisors (2990556751).

140556165041 is an equidigital number, since it uses as much as digits as its factorization.

140556165041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990556750.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 140556165041 in words is "one hundred forty billion, five hundred fifty-six million, one hundred sixty-five thousand, forty-one".