140539055 has 4 divisors (see below), whose sum is σ = 168646872. Its totient is φ = 112431240.

The previous prime is 140539037. The next prime is 140539057. The reversal of 140539055 is 550935041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550935041 = 131 ⋅4205611.

It is not a de Polignac number, because 140539055 - 2¹⁴ = 140522671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140539057) 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 3 ways as a sum of consecutive naturals, for example, 14053901 + ... + 14053910.

It is an arithmetic number, because the mean of its divisors is an integer number (42161718).

Almost surely, 2^140539055 is an apocalyptic number.

140539055 is a deficient number, since it is larger than the sum of its proper divisors (28107817).

140539055 is an equidigital number, since it uses as much as digits as its factorization.

140539055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28107816.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 140539055 is about 11854.9169124039. The cubic root of 140539055 is about 519.9149947340.

The spelling of 140539055 in words is "one hundred forty million, five hundred thirty-nine thousand, fifty-five".