140026555 has 16 divisors (see below), whose sum is σ = 171756288. Its totient is φ = 109564000.

The previous prime is 140026531. The next prime is 140026559. The reversal of 140026555 is 555620041.

It is not a de Polignac number, because 140026555 - 2²⁵ = 106472123 is a prime.

It is a super-2 number, since 2×140026555² = 39214872210336050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140026559) 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 15 ways as a sum of consecutive naturals, for example, 45000 + ... + 48010.

It is an arithmetic number, because the mean of its divisors is an integer number (10734768).

Almost surely, 2^140026555 is an apocalyptic number.

140026555 is a deficient number, since it is larger than the sum of its proper divisors (31729733).

140026555 is a wasteful number, since it uses less digits than its factorization.

140026555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 140026555 is about 11833.2816665539. The cubic root of 140026555 is about 519.2822382717.

Adding to 140026555 its reverse (555620041), we get a palindrome (695646596).

The spelling of 140026555 in words is "one hundred forty million, twenty-six thousand, five hundred fifty-five".