3140404140161 has 4 divisors (see below), whose sum is σ = 3143363994324. Its totient is φ = 3137444286000.

The previous prime is 3140404140101. The next prime is 3140404140169. The reversal of 3140404140161 is 1610414040413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 992842852225 + 2147561287936 = 996415^2 + 1465456^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140404140161 - 2²² = 3140399945857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3140404140169) 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, 1479925490 + ... + 1479927611.

It is an arithmetic number, because the mean of its divisors is an integer number (785840998581).

Almost surely, 2^{3140404140161} is an apocalyptic number.

It is an amenable number.

3140404140161 is a deficient number, since it is larger than the sum of its proper divisors (2959854163).

3140404140161 is a wasteful number, since it uses less digits than its factorization.

3140404140161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959854162.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 3140404140161 its reverse (1610414040413), we get a palindrome (4750818180574).

The spelling of 3140404140161 in words is "three trillion, one hundred forty billion, four hundred four million, one hundred forty thousand, one hundred sixty-one".