140540236255 has 16 divisors (see below), whose sum is σ = 170440036704. Its totient is φ = 111238410240.

The previous prime is 140540236211. The next prime is 140540236259. The reversal of 140540236255 is 552632045041.

It is not a de Polignac number, because 140540236255 - 2¹⁷ = 140540105183 is a prime.

It is a super-2 number, since 2×140540236255² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140540236259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572039 + ... + 1659031.

It is an arithmetic number, because the mean of its divisors is an integer number (10652502294).

Almost surely, 2^140540236255 is an apocalyptic number.

140540236255 is a deficient number, since it is larger than the sum of its proper divisors (29899800449).

140540236255 is an equidigital number, since it uses as much as digits as its factorization.

140540236255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90426.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 140540236255 in words is "one hundred forty billion, five hundred forty million, two hundred thirty-six thousand, two hundred fifty-five".