1385498275165 has 8 divisors (see below), whose sum is σ = 1662614283960. Its totient is φ = 1108387717632.

The previous prime is 1385498275069. The next prime is 1385498275199. The reversal of 1385498275165 is 5615728945831.

It can be written as a sum of positive squares in 4 ways, for example, as 931452753924 + 454045521241 = 965118^2 + 673829^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1385498275165 - 2³¹ = 1383350791517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1385498275097 and 1385498275106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781084 + ... + 1838773.

It is an arithmetic number, because the mean of its divisors is an integer number (207826785495).

Almost surely, 2^{1385498275165} is an apocalyptic number.

It is an amenable number.

1385498275165 is a deficient number, since it is larger than the sum of its proper divisors (277116008795).

1385498275165 is a wasteful number, since it uses less digits than its factorization.

1385498275165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725631.

The product of its digits is 72576000, while the sum is 64.

The spelling of 1385498275165 in words is "one trillion, three hundred eighty-five billion, four hundred ninety-eight million, two hundred seventy-five thousand, one hundred sixty-five".