140140826 has 16 divisors (see below), whose sum is σ = 254373696. Its totient is φ = 56527296.

The previous prime is 140140823. The next prime is 140140831. The reversal of 140140826 is 628041041.

It is a super-2 number, since 2×140140826² = 39278902223924552, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140140795 and 140140804.

It is not an unprimeable number, because it can be changed into a prime (140140823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294176 + ... + 294651.

It is an arithmetic number, because the mean of its divisors is an integer number (15898356).

Almost surely, 2^140140826 is an apocalyptic number.

140140826 is a deficient number, since it is larger than the sum of its proper divisors (114232870).

140140826 is a wasteful number, since it uses less digits than its factorization.

140140826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588853.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 140140826 is about 11838.1090550814. The cubic root of 140140826 is about 519.4234561678.

Adding to 140140826 its reverse (628041041), we get a palindrome (768181867).

The spelling of 140140826 in words is "one hundred forty million, one hundred forty thousand, eight hundred twenty-six".