140326471 has 4 divisors (see below), whose sum is σ = 141715944. Its totient is φ = 138937000.

The previous prime is 140326469. The next prime is 140326481. The reversal of 140326471 is 174623041.

140326471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140326471 - 2¹ = 140326469 is a prime.

It is a super-3 number, since 3×140326471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140326411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694585 + ... + 694786.

It is an arithmetic number, because the mean of its divisors is an integer number (35428986).

Almost surely, 2^140326471 is an apocalyptic number.

140326471 is a deficient number, since it is larger than the sum of its proper divisors (1389473).

140326471 is a wasteful number, since it uses less digits than its factorization.

140326471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389472.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140326471 is about 11845.9474504997. The cubic root of 140326471 is about 519.6527156014.

It can be divided in two parts, 14032 and 6471, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 140326471 in words is "one hundred forty million, three hundred twenty-six thousand, four hundred seventy-one".