140622011 has 4 divisors (see below), whose sum is σ = 148893912. Its totient is φ = 132350112.

The previous prime is 140621989. The next prime is 140622029. The reversal of 140622011 is 110226041.

140622011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110226041 = 577 ⋅191033.

It is a cyclic number.

It is not a de Polignac number, because 140622011 - 2¹⁴ = 140605627 is a prime.

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: 8271883 = 140622011 / (1 + 4 + 0 + 6 + 2 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140622061) 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, 4135925 + ... + 4135958.

It is an arithmetic number, because the mean of its divisors is an integer number (37223478).

Almost surely, 2^140622011 is an apocalyptic number.

140622011 is a deficient number, since it is larger than the sum of its proper divisors (8271901).

140622011 is an equidigital number, since it uses as much as digits as its factorization.

140622011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271900.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140622011 is about 11858.4151976561. The cubic root of 140622011 is about 520.0172713691.

Adding to 140622011 its reverse (110226041), we get a palindrome (250848052).

The spelling of 140622011 in words is "one hundred forty million, six hundred twenty-two thousand, eleven".