140116061 has 2 divisors, whose sum is σ = 140116062. Its totient is φ = 140116060.

The previous prime is 140116049. The next prime is 140116087. The reversal of 140116061 is 160611041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112763161 + 27352900 = 10619^2 + 5230^2 .

It is a cyclic number.

It is not a de Polignac number, because 140116061 - 2¹⁴ = 140099677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140116021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70058030 + 70058031.

It is an arithmetic number, because the mean of its divisors is an integer number (70058031).

Almost surely, 2^140116061 is an apocalyptic number.

It is an amenable number.

140116061 is a deficient number, since it is larger than the sum of its proper divisors (1).

140116061 is an equidigital number, since it uses as much as digits as its factorization.

140116061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 140116061 is about 11837.0630225576. The cubic root of 140116061 is about 519.3928577094.

The spelling of 140116061 in words is "one hundred forty million, one hundred sixteen thousand, sixty-one".