140211601 has 2 divisors, whose sum is σ = 140211602. Its totient is φ = 140211600.

The previous prime is 140211587. The next prime is 140211647. The reversal of 140211601 is 106112041.

140211601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 43877376 = 9815^2 + 6624^2 .

It is a cyclic number.

It is not a de Polignac number, because 140211601 - 2⁵ = 140211569 is a prime.

It is not a weakly prime, because it can be changed into another prime (140211661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70105800 + 70105801.

It is an arithmetic number, because the mean of its divisors is an integer number (70105801).

Almost surely, 2^140211601 is an apocalyptic number.

140211601 is the 5296-th centered decagonal number.

It is an amenable number.

140211601 is a deficient number, since it is larger than the sum of its proper divisors (1).

140211601 is an equidigital number, since it uses as much as digits as its factorization.

140211601 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 140211601 is about 11841.0979642937. The cubic root of 140211601 is about 519.5108825308.

Adding to 140211601 its reverse (106112041), we get a palindrome (246323642).

The spelling of 140211601 in words is "one hundred forty million, two hundred eleven thousand, six hundred one".