140486766017369 has 4 divisors (see below), whose sum is σ = 140490331982244. Its totient is φ = 140483200052496.

The previous prime is 140486766017321. The next prime is 140486766017371. The reversal of 140486766017369 is 963710667684041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62365562512969 + 78121203504400 = 7897187^2 + 8838620^2 .

It is a cyclic number.

It is not a de Polignac number, because 140486766017369 - 2²⁴ = 140486749240153 is a prime.

It is a super-2 number, since 2×140486766017369² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140486766017299 and 140486766017308.

It is not an unprimeable number, because it can be changed into a prime (140486766010369) 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, 1782923342 + ... + 1783002135.

It is an arithmetic number, because the mean of its divisors is an integer number (35122582995561).

Almost surely, 2^{140486766017369} is an apocalyptic number.

It is an amenable number.

140486766017369 is a deficient number, since it is larger than the sum of its proper divisors (3565964875).

140486766017369 is an equidigital number, since it uses as much as digits as its factorization.

140486766017369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565964874.

The product of its (nonzero) digits is 219469824, while the sum is 68.

The spelling of 140486766017369 in words is "one hundred forty trillion, four hundred eighty-six billion, seven hundred sixty-six million, seventeen thousand, three hundred sixty-nine".