248465020202138 has 8 divisors (see below), whose sum is σ = 382770436527732. Its totient is φ = 120874874692896.

The previous prime is 248465020202099. The next prime is 248465020202167. The reversal of 248465020202138 is 831202020564842.

It can be written as a sum of positive squares in 2 ways, for example, as 184997619512689 + 63467400689449 = 13601383^2 + 7966643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×248465020202138³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248465020202092 and 248465020202101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678817703995 + ... + 1678817704142.

Almost surely, 2^{248465020202138} is an apocalyptic number.

248465020202138 is a deficient number, since it is larger than the sum of its proper divisors (134305416325594).

248465020202138 is a wasteful number, since it uses less digits than its factorization.

248465020202138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357635408176.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 248465020202138 in words is "two hundred forty-eight trillion, four hundred sixty-five billion, twenty million, two hundred two thousand, one hundred thirty-eight".