140402206 has 16 divisors (see below), whose sum is σ = 241164000. Its totient is φ = 60053760.

The previous prime is 140402203. The next prime is 140402209. The reversal of 140402206 is 602204041.

It is an interprime number because it is at equal distance from previous prime (140402203) and next prime (140402209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140402203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (15072750).

Almost surely, 2^140402206 is an apocalyptic number.

140402206 is a deficient number, since it is larger than the sum of its proper divisors (100761794).

140402206 is a wasteful number, since it uses less digits than its factorization.

140402206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19779.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140402206 is about 11849.1436821401. The cubic root of 140402206 is about 519.7461853035.

Adding to 140402206 its reverse (602204041), we get a palindrome (742606247).

It can be divided in two parts, 140402 and 206, that added together give a cube (140608 = 52³).

The spelling of 140402206 in words is "one hundred forty million, four hundred two thousand, two hundred six".