385321135 has 4 divisors (see below), whose sum is σ = 462385368. Its totient is φ = 308256904.

The previous prime is 385321129. The next prime is 385321217. The reversal of 385321135 is 531123583.

385321135 = T₁₆₀₂₆ + T₁₆₀₂₇ + T₁₆₀₂₈.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385321135 - 2¹³ = 385312943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385321097 and 385321106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38532109 + ... + 38532118.

It is an arithmetic number, because the mean of its divisors is an integer number (115596342).

Almost surely, 2^385321135 is an apocalyptic number.

385321135 is the 16028-th centered triangular number.

385321135 is a deficient number, since it is larger than the sum of its proper divisors (77064233).

385321135 is an equidigital number, since it uses as much as digits as its factorization.

385321135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77064232.

The product of its digits is 10800, while the sum is 31.

The square root of 385321135 is about 19629.5984421485. The cubic root of 385321135 is about 727.6808460708.

The spelling of 385321135 in words is "three hundred eighty-five million, three hundred twenty-one thousand, one hundred thirty-five".