139840475289983 has 32 divisors (see below), whose sum is σ = 159117975797760. Its totient is φ = 121970767121280.

The previous prime is 139840475289947. The next prime is 139840475290031. The reversal of 139840475289983 is 389982574048931.

It is a cyclic number.

It is not a de Polignac number, because 139840475289983 - 2²² = 139840471095679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139840475289898 and 139840475289907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139840475289943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223780178 + ... + 224404208.

It is an arithmetic number, because the mean of its divisors is an integer number (4972436743680).

Almost surely, 2^{139840475289983} is an apocalyptic number.

139840475289983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139840475289983 is a deficient number, since it is larger than the sum of its proper divisors (19277500507777).

139840475289983 is a wasteful number, since it uses less digits than its factorization.

139840475289983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636767.

The product of its (nonzero) digits is 3762339840, while the sum is 80.

The spelling of 139840475289983 in words is "one hundred thirty-nine trillion, eight hundred forty billion, four hundred seventy-five million, two hundred eighty-nine thousand, nine hundred eighty-three".