139532083945 has 4 divisors (see below), whose sum is σ = 167438500740. Its totient is φ = 111625667152.

The previous prime is 139532083903. The next prime is 139532084089. The reversal of 139532083945 is 549380235931.

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 67523581609 + 72008502336 = 259853^2 + 268344^2 .

It is a cyclic number.

It is not a de Polignac number, because 139532083945 - 2¹⁵ = 139532051177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139532083892 and 139532083901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13953208390 + ... + 13953208399.

It is an arithmetic number, because the mean of its divisors is an integer number (41859625185).

Almost surely, 2^139532083945 is an apocalyptic number.

It is an amenable number.

139532083945 is a deficient number, since it is larger than the sum of its proper divisors (27906416795).

139532083945 is an equidigital number, since it uses as much as digits as its factorization.

139532083945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27906416794.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 139532083945 in words is "one hundred thirty-nine billion, five hundred thirty-two million, eighty-three thousand, nine hundred forty-five".