140565101 has 4 divisors (see below), whose sum is σ = 140591100. Its totient is φ = 140539104.

The previous prime is 140565079. The next prime is 140565119. The reversal of 140565101 is 101565041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107226025 + 33339076 = 10355^2 + 5774^2 .

It is a cyclic number.

It is not a de Polignac number, because 140565101 - 2¹⁰ = 140564077 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 (140565301) 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, 1496 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (35147775).

Almost surely, 2^140565101 is an apocalyptic number.

It is an amenable number.

140565101 is a deficient number, since it is larger than the sum of its proper divisors (25999).

140565101 is an equidigital number, since it uses as much as digits as its factorization.

140565101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25998.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 140565101 is about 11856.0153930399. The cubic root of 140565101 is about 519.9471112383.

The spelling of 140565101 in words is "one hundred forty million, five hundred sixty-five thousand, one hundred one".