2140306001 has 4 divisors (see below), whose sum is σ = 2266206372. Its totient is φ = 2014405632.

The previous prime is 2140305997. The next prime is 2140306013. The reversal of 2140306001 is 1006030412.

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 867243601 + 1273062400 = 29449^2 + 35680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140306001 - 2² = 2140305997 is a prime.

It is a super-2 number, since 2×2140306001² = 9161819555833224002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 125900353 = 2140306001 / (2 + 1 + 4 + 0 + 3 + 0 + 6 + 0 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140303001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62950160 + ... + 62950193.

It is an arithmetic number, because the mean of its divisors is an integer number (566551593).

Almost surely, 2^2140306001 is an apocalyptic number.

It is an amenable number.

2140306001 is a deficient number, since it is larger than the sum of its proper divisors (125900371).

2140306001 is a wasteful number, since it uses less digits than its factorization.

2140306001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125900370.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2140306001 is about 46263.4413008803. The cubic root of 2140306001 is about 1288.7201618677.

Adding to 2140306001 its reverse (1006030412), we get a palindrome (3146336413).

The spelling of 2140306001 in words is "two billion, one hundred forty million, three hundred six thousand, one".