140653556045 has 4 divisors (see below), whose sum is σ = 168784267260. Its totient is φ = 112522844832.

The previous prime is 140653556039. The next prime is 140653556053. The reversal of 140653556045 is 540655356041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540655356041 = 41 ⋅13186716001.

It can be written as a sum of positive squares in 2 ways, for example, as 97382067721 + 43271488324 = 312061^2 + 208018^2 .

It is a cyclic number.

It is not a de Polignac number, because 140653556045 - 2¹⁴ = 140653539661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140653555987 and 140653556005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14065355600 + ... + 14065355609.

It is an arithmetic number, because the mean of its divisors is an integer number (42196066815).

Almost surely, 2^140653556045 is an apocalyptic number.

It is an amenable number.

140653556045 is a deficient number, since it is larger than the sum of its proper divisors (28130711215).

140653556045 is an equidigital number, since it uses as much as digits as its factorization.

140653556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28130711214.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 140653556045 in words is "one hundred forty billion, six hundred fifty-three million, five hundred fifty-six thousand, forty-five".