140705654 has 4 divisors (see below), whose sum is σ = 211058484. Its totient is φ = 70352826.

The previous prime is 140705629. The next prime is 140705717. The reversal of 140705654 is 456507041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140705654.

It is a congruent number.

It is an unprimeable number.

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, 35176412 + ... + 35176415.

It is an arithmetic number, because the mean of its divisors is an integer number (52764621).

Almost surely, 2^140705654 is an apocalyptic number.

140705654 is a deficient number, since it is larger than the sum of its proper divisors (70352830).

140705654 is an equidigital number, since it uses as much as digits as its factorization.

140705654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70352829.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 140705654 is about 11861.9414093984. The cubic root of 140705654 is about 520.1203542917.

The spelling of 140705654 in words is "one hundred forty million, seven hundred five thousand, six hundred fifty-four".