140654543 has 2 divisors, whose sum is σ = 140654544. Its totient is φ = 140654542.

The previous prime is 140654531. The next prime is 140654551. The reversal of 140654543 is 345456041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140654543 - 2²² = 136460239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140654513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70327271 + 70327272.

It is an arithmetic number, because the mean of its divisors is an integer number (70327272).

Almost surely, 2^140654543 is an apocalyptic number.

140654543 is a deficient number, since it is larger than the sum of its proper divisors (1).

140654543 is an equidigital number, since it uses as much as digits as its factorization.

140654543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 140654543 is about 11859.7868024682. The cubic root of 140654543 is about 520.0573691636.

The spelling of 140654543 in words is "one hundred forty million, six hundred fifty-four thousand, five hundred forty-three".