140142826 has 16 divisors (see below), whose sum is σ = 214057800. Its totient is φ = 68802048.

The previous prime is 140142823. The next prime is 140142829. The reversal of 140142826 is 628241041.

It is an interprime number because it is at equal distance from previous prime (140142823) and next prime (140142829).

It can be written as a sum of positive squares in 4 ways, for example, as 125328025 + 14814801 = 11195^2 + 3849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140142794 and 140142803.

It is not an unprimeable number, because it can be changed into a prime (140142823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21790 + ... + 27478.

Almost surely, 2^140142826 is an apocalyptic number.

140142826 is a deficient number, since it is larger than the sum of its proper divisors (73914974).

140142826 is a wasteful number, since it uses less digits than its factorization.

140142826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 140142826 is about 11838.1935277305. The cubic root of 140142826 is about 519.4259271155.

Adding to 140142826 its reverse (628241041), we get a palindrome (768383867).

The spelling of 140142826 in words is "one hundred forty million, one hundred forty-two thousand, eight hundred twenty-six".