140674345061 has 4 divisors (see below), whose sum is σ = 140680413900. Its totient is φ = 140668276224.

The previous prime is 140674345057. The next prime is 140674345073. The reversal of 140674345061 is 160543476041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160543476041 = 13 ⋅12349498157.

It can be written as a sum of positive squares in 2 ways, for example, as 41414692036 + 99259653025 = 203506^2 + 315055^2 .

It is a cyclic number.

It is not a de Polignac number, because 140674345061 - 2² = 140674345057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140674345051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999516 + ... + 3046053.

It is an arithmetic number, because the mean of its divisors is an integer number (35170103475).

Almost surely, 2^140674345061 is an apocalyptic number.

It is an amenable number.

140674345061 is a deficient number, since it is larger than the sum of its proper divisors (6068839).

140674345061 is an equidigital number, since it uses as much as digits as its factorization.

140674345061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068838.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 140674345061 in words is "one hundred forty billion, six hundred seventy-four million, three hundred forty-five thousand, sixty-one".