140601611 has 8 divisors (see below), whose sum is σ = 148980384. Its totient is φ = 132234880.

The previous prime is 140601589. The next prime is 140601613. The reversal of 140601611 is 116106041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140601611 - 2⁶ = 140601547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140601613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34466 + ... + 38328.

It is an arithmetic number, because the mean of its divisors is an integer number (18622548).

Almost surely, 2^140601611 is an apocalyptic number.

140601611 is a deficient number, since it is larger than the sum of its proper divisors (8378773).

140601611 is a wasteful number, since it uses less digits than its factorization.

140601611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

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

The square root of 140601611 is about 11857.5550177935. Note that the first 3 decimals coincide. The cubic root of 140601611 is about 519.9921238945.

Adding to 140601611 its reverse (116106041), we get a palindrome (256707652).

The spelling of 140601611 in words is "one hundred forty million, six hundred one thousand, six hundred eleven".