140098605 has 32 divisors (see below), whose sum is σ = 228856320. Its totient is φ = 73170240.

The previous prime is 140098603. The next prime is 140098657. The reversal of 140098605 is 506890041.

140098605 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 140098605 - 2¹ = 140098603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140098603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162666 + ... + 163524.

It is an arithmetic number, because the mean of its divisors is an integer number (7151760).

Almost surely, 2^140098605 is an apocalyptic number.

140098605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140098605 is a deficient number, since it is larger than the sum of its proper divisors (88757715).

140098605 is a wasteful number, since it uses less digits than its factorization.

140098605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 140098605 is about 11836.3256545264. The cubic root of 140098605 is about 519.3712877381.

The spelling of 140098605 in words is "one hundred forty million, ninety-eight thousand, six hundred five".