140146005 has 16 divisors (see below), whose sum is σ = 225201600. Its totient is φ = 74421888.

The previous prime is 140146003. The next prime is 140146021. The reversal of 140146005 is 500641041.

140146005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140146005 - 2¹ = 140146003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140146003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16555 + ... + 23544.

It is an arithmetic number, because the mean of its divisors is an integer number (14075100).

Almost surely, 2^140146005 is an apocalyptic number.

140146005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140146005 is a deficient number, since it is larger than the sum of its proper divisors (85055595).

140146005 is a wasteful number, since it uses less digits than its factorization.

140146005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 140146005 is about 11838.3277957658. The cubic root of 140146005 is about 519.4298546385.

Adding to 140146005 its reverse (500641041), we get a palindrome (640787046).

The spelling of 140146005 in words is "one hundred forty million, one hundred forty-six thousand, five".