140211061 has 2 divisors, whose sum is σ = 140211062. Its totient is φ = 140211060.

The previous prime is 140211041. The next prime is 140211077. The reversal of 140211061 is 160112041.

It is an a-pointer prime, because the next prime (140211077) can be obtained adding 140211061 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 29224836 = 10535^2 + 5406^2 .

It is a cyclic number.

It is not a de Polignac number, because 140211061 - 2⁷ = 140210933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70105530 + 70105531.

It is an arithmetic number, because the mean of its divisors is an integer number (70105531).

Almost surely, 2^140211061 is an apocalyptic number.

It is an amenable number.

140211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

140211061 is an equidigital number, since it uses as much as digits as its factorization.

140211061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 140211061 is about 11841.0751623322. The cubic root of 140211061 is about 519.5102155954.

The spelling of 140211061 in words is "one hundred forty million, two hundred eleven thousand, sixty-one".