140255261655 has 16 divisors (see below), whose sum is σ = 224670292704. Its totient is φ = 74715514880.

The previous prime is 140255261651. The next prime is 140255261659. The reversal of 140255261655 is 556162552041.

It is an interprime number because it is at equal distance from previous prime (140255261651) and next prime (140255261659).

It is not a de Polignac number, because 140255261655 - 2² = 140255261651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140255261651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5442426 + ... + 5468135.

It is an arithmetic number, because the mean of its divisors is an integer number (14041893294).

Almost surely, 2^140255261655 is an apocalyptic number.

140255261655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140255261655 is a deficient number, since it is larger than the sum of its proper divisors (84415031049).

140255261655 is a wasteful number, since it uses less digits than its factorization.

140255261655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911426.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 140255261655 in words is "one hundred forty billion, two hundred fifty-five million, two hundred sixty-one thousand, six hundred fifty-five".