248146890139 has 2 divisors, whose sum is σ = 248146890140. Its totient is φ = 248146890138.

The previous prime is 248146890133. The next prime is 248146890151. The reversal of 248146890139 is 931098641842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248146890139 - 2¹³ = 248146881947 is a prime.

It is a super-3 number, since 3×248146890139³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248146890139.

It is not a weakly prime, because it can be changed into another prime (248146890133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124073445069 + 124073445070.

It is an arithmetic number, because the mean of its divisors is an integer number (124073445070).

Almost surely, 2^248146890139 is an apocalyptic number.

248146890139 is a deficient number, since it is larger than the sum of its proper divisors (1).

248146890139 is an equidigital number, since it uses as much as digits as its factorization.

248146890139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 248146890139 in words is "two hundred forty-eight billion, one hundred forty-six million, eight hundred ninety thousand, one hundred thirty-nine".