140574431 has 2 divisors, whose sum is σ = 140574432. Its totient is φ = 140574430.

The previous prime is 140574419. The next prime is 140574443. The reversal of 140574431 is 134475041.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (140574419) and next prime (140574443).

It is an emirp because it is prime and its reverse (134475041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140574431 - 2¹⁸ = 140312287 is a prime.

It is a super-3 number, since 3×140574431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 140574394 and 140574403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140574451) 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 as a sum of consecutive naturals, namely, 70287215 + 70287216.

It is an arithmetic number, because the mean of its divisors is an integer number (70287216).

Almost surely, 2^140574431 is an apocalyptic number.

140574431 is a deficient number, since it is larger than the sum of its proper divisors (1).

140574431 is an equidigital number, since it uses as much as digits as its factorization.

140574431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140574431 is about 11856.4088576601. The cubic root of 140574431 is about 519.9586148030.

The spelling of 140574431 in words is "one hundred forty million, five hundred seventy-four thousand, four hundred thirty-one".