140705455 has 12 divisors (see below), whose sum is σ = 185592456. Its totient is φ = 102330800.

The previous prime is 140705449. The next prime is 140705471. The reversal of 140705455 is 554507041.

It is not a de Polignac number, because 140705455 - 2⁹ = 140704943 is a prime.

It is a Duffinian number.

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 in 11 ways as a sum of consecutive naturals, for example, 115681 + ... + 116890.

It is an arithmetic number, because the mean of its divisors is an integer number (15466038).

Almost surely, 2^140705455 is an apocalyptic number.

140705455 is a deficient number, since it is larger than the sum of its proper divisors (44887001).

140705455 is a wasteful number, since it uses less digits than its factorization.

140705455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232598 (or 232587 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 140705455 is about 11861.9330212238. The cubic root of 140705455 is about 520.1201090895.

The spelling of 140705455 in words is "one hundred forty million, seven hundred five thousand, four hundred fifty-five".