140513711 has 4 divisors (see below), whose sum is σ = 151322472. Its totient is φ = 129704952.

The previous prime is 140513707. The next prime is 140513741. The reversal of 140513711 is 117315041.

It is a happy number.

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

It is not a de Polignac number, because 140513711 - 2² = 140513707 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 (140513741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404361 + ... + 5404386.

It is an arithmetic number, because the mean of its divisors is an integer number (37830618).

Almost surely, 2^140513711 is an apocalyptic number.

140513711 is a deficient number, since it is larger than the sum of its proper divisors (10808761).

140513711 is a wasteful number, since it uses less digits than its factorization.

140513711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808760.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 140513711 is about 11853.8479406478. The cubic root of 140513711 is about 519.8837400345.

Adding to 140513711 its reverse (117315041), we get a palindrome (257828752).

The spelling of 140513711 in words is "one hundred forty million, five hundred thirteen thousand, seven hundred eleven".