140636650555 has 4 divisors (see below), whose sum is σ = 168763980672. Its totient is φ = 112509320440.

The previous prime is 140636650549. The next prime is 140636650559. The reversal of 140636650555 is 555056636041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555056636041 = 727 ⋅763489183.

It is not a de Polignac number, because 140636650555 - 2³ = 140636650547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140636650559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14063665051 + ... + 14063665060.

It is an arithmetic number, because the mean of its divisors is an integer number (42190995168).

Almost surely, 2^140636650555 is an apocalyptic number.

140636650555 is a deficient number, since it is larger than the sum of its proper divisors (28127330117).

140636650555 is an equidigital number, since it uses as much as digits as its factorization.

140636650555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127330116.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 140636650555 in words is "one hundred forty billion, six hundred thirty-six million, six hundred fifty thousand, five hundred fifty-five".