139665293783 has 2 divisors, whose sum is σ = 139665293784. Its totient is φ = 139665293782.

The previous prime is 139665293711. The next prime is 139665293797. The reversal of 139665293783 is 387392566931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139665293783 - 2²⁰ = 139664245207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139667293783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69832646891 + 69832646892.

It is an arithmetic number, because the mean of its divisors is an integer number (69832646892).

Almost surely, 2^139665293783 is an apocalyptic number.

139665293783 is a deficient number, since it is larger than the sum of its proper divisors (1).

139665293783 is an equidigital number, since it uses as much as digits as its factorization.

139665293783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44089920, while the sum is 62.

The spelling of 139665293783 in words is "one hundred thirty-nine billion, six hundred sixty-five million, two hundred ninety-three thousand, seven hundred eighty-three".