140711471 has 4 divisors (see below), whose sum is σ = 140814744. Its totient is φ = 140608200.

The previous prime is 140711443. The next prime is 140711497. The reversal of 140711471 is 174117041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140711471 is a prime.

It is a super-3 number, since 3×140711471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140711471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140711371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49565 + ... + 52326.

It is an arithmetic number, because the mean of its divisors is an integer number (35203686).

Almost surely, 2^140711471 is an apocalyptic number.

140711471 is a deficient number, since it is larger than the sum of its proper divisors (103273).

140711471 is a wasteful number, since it uses less digits than its factorization.

140711471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103272.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 140711471 is about 11862.1866028148. The cubic root of 140711471 is about 520.1275217327.

The spelling of 140711471 in words is "one hundred forty million, seven hundred eleven thousand, four hundred seventy-one".