140406011 has 4 divisors (see below), whose sum is σ = 140455224. Its totient is φ = 140356800.

The previous prime is 140406001. The next prime is 140406041. The reversal of 140406011 is 110604041.

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

It is a cyclic number.

It is not a de Polignac number, because 140406011 - 2¹⁰ = 140404987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140406001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20045 + ... + 26126.

It is an arithmetic number, because the mean of its divisors is an integer number (35113806).

Almost surely, 2^140406011 is an apocalyptic number.

140406011 is a deficient number, since it is larger than the sum of its proper divisors (49213).

140406011 is an equidigital number, since it uses as much as digits as its factorization.

140406011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49212.

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

The square root of 140406011 is about 11849.3042411780. The cubic root of 140406011 is about 519.7508804253.

The spelling of 140406011 in words is "one hundred forty million, four hundred six thousand, eleven".