1385378635235 has 16 divisors (see below), whose sum is σ = 1906958733312. Its totient is φ = 946468476000.

The previous prime is 1385378635231. The next prime is 1385378635273. The reversal of 1385378635235 is 5325368735831.

It is a happy number.

It is not a de Polignac number, because 1385378635235 - 2² = 1385378635231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385378635231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73020491 + ... + 73039460.

It is an arithmetic number, because the mean of its divisors is an integer number (119184920832).

Almost surely, 2^{1385378635235} is an apocalyptic number.

1385378635235 is a deficient number, since it is larger than the sum of its proper divisors (521580098077).

1385378635235 is a wasteful number, since it uses less digits than its factorization.

1385378635235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146060234.

The product of its digits is 54432000, while the sum is 59.

The spelling of 1385378635235 in words is "one trillion, three hundred eighty-five billion, three hundred seventy-eight million, six hundred thirty-five thousand, two hundred thirty-five".