140707045 has 8 divisors (see below), whose sum is σ = 178780824. Its totient is φ = 105944064.

The previous prime is 140707037. The next prime is 140707057. The reversal of 140707045 is 540707041.

It is a Cunningham number, because it is equal to 11862²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 50665924 + 90041121 = 7118^2 + 9489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140707045 - 2³ = 140707037 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827604 + ... + 827773.

It is an arithmetic number, because the mean of its divisors is an integer number (22347603).

Almost surely, 2^140707045 is an apocalyptic number.

It is an amenable number.

140707045 is a deficient number, since it is larger than the sum of its proper divisors (38073779).

140707045 is a wasteful number, since it uses less digits than its factorization.

140707045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655399.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 140707045 is about 11862.0000421514. Note that the first 4 decimals coincide. The cubic root of 140707045 is about 520.1220682361.

It can be divided in two parts, 14070 and 7045, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 140707045 in words is "one hundred forty million, seven hundred seven thousand, forty-five".