140920547 has 2 divisors, whose sum is σ = 140920548. Its totient is φ = 140920546.

The previous prime is 140920489. The next prime is 140920561. The reversal of 140920547 is 745029041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140920547 - 2⁸ = 140920291 is a prime.

It is not a weakly prime, because it can be changed into another prime (140920447) 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 as a sum of consecutive naturals, namely, 70460273 + 70460274.

It is an arithmetic number, because the mean of its divisors is an integer number (70460274).

Almost surely, 2^140920547 is an apocalyptic number.

140920547 is a deficient number, since it is larger than the sum of its proper divisors (1).

140920547 is an equidigital number, since it uses as much as digits as its factorization.

140920547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 140920547 is about 11870.9960407710. The cubic root of 140920547 is about 520.3850045691.

Adding to 140920547 its reverse (745029041), we get a palindrome (885949588).

The spelling of 140920547 in words is "one hundred forty million, nine hundred twenty thousand, five hundred forty-seven".