140246626 has 16 divisors (see below), whose sum is σ = 228211704. Its totient is φ = 64255104.

The previous prime is 140246621. The next prime is 140246629. The reversal of 140246626 is 626642041.

140246626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 133749225 + 6497401 = 11565^2 + 2549^2 .

It is a super-2 number, since 2×140246626² = 39338232208767752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140246621) 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, 16125 + ... + 23248.

Almost surely, 2^140246626 is an apocalyptic number.

140246626 is a deficient number, since it is larger than the sum of its proper divisors (87965078).

140246626 is a wasteful number, since it uses less digits than its factorization.

140246626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39525.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 140246626 is about 11842.5768310786. The cubic root of 140246626 is about 519.5541370443.

Adding to 140246626 its reverse (626642041), we get a palindrome (766888667).

The spelling of 140246626 in words is "one hundred forty million, two hundred forty-six thousand, six hundred twenty-six".