140246711 has 4 divisors (see below), whose sum is σ = 152996424. Its totient is φ = 127497000.

The previous prime is 140246683. The next prime is 140246713. The reversal of 140246711 is 117642041.

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 140246711 - 2¹⁴ = 140230327 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 (140246713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6374840 + ... + 6374861.

It is an arithmetic number, because the mean of its divisors is an integer number (38249106).

Almost surely, 2^140246711 is an apocalyptic number.

140246711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140246711 is a deficient number, since it is larger than the sum of its proper divisors (12749713).

140246711 is a wasteful number, since it uses less digits than its factorization.

140246711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12749712.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140246711 is about 11842.5804198241. The cubic root of 140246711 is about 519.5542420072.

Adding to 140246711 its reverse (117642041), we get a palindrome (257888752).

The spelling of 140246711 in words is "one hundred forty million, two hundred forty-six thousand, seven hundred eleven".