140137205 has 32 divisors (see below), whose sum is σ = 197987328. Its totient is φ = 94233600.

The previous prime is 140137201. The next prime is 140137271. The reversal of 140137205 is 502731041.

140137205 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 140137205 - 2² = 140137201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140137201) 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, 32210 + ... + 36300.

It is an arithmetic number, because the mean of its divisors is an integer number (6187104).

Almost surely, 2^140137205 is an apocalyptic number.

It is an amenable number.

140137205 is a deficient number, since it is larger than the sum of its proper divisors (57850123).

140137205 is a wasteful number, since it uses less digits than its factorization.

140137205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 140137205 is about 11837.9561158166. The cubic root of 140137205 is about 519.4189824571.

Adding to 140137205 its reverse (502731041), we get a palindrome (642868246).

The spelling of 140137205 in words is "one hundred forty million, one hundred thirty-seven thousand, two hundred five".