140000011 has 8 divisors (see below), whose sum is σ = 146250144. Its totient is φ = 133763520.

The previous prime is 139999991. The next prime is 140000041. The reversal of 140000011 is 110000041.

It is a happy number.

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 140000011 - 2¹⁹ = 139475723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139999949 and 140000003.

It is not an unprimeable number, because it can be changed into a prime (140000041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21535 + ... + 27271.

It is an arithmetic number, because the mean of its divisors is an integer number (18281268).

Almost surely, 2^140000011 is an apocalyptic number.

140000011 is a deficient number, since it is larger than the sum of its proper divisors (6250133).

140000011 is a wasteful number, since it uses less digits than its factorization.

140000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 140000011 is about 11832.1600310341. The cubic root of 140000011 is about 519.2494237845.

Adding to 140000011 its reverse (110000041), we get a palindrome (250000052).

The spelling of 140000011 in words is "one hundred forty million, eleven", and thus it is an aban number.