1397355085 has 16 divisors (see below), whose sum is σ = 1917676800. Its totient is φ = 957534336.

The previous prime is 1397355077. The next prime is 1397355097. The reversal of 1397355085 is 5805537931.

It is a cyclic number.

It is not a de Polignac number, because 1397355085 - 2³ = 1397355077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41761 + ... + 67369.

It is an arithmetic number, because the mean of its divisors is an integer number (119854800).

Almost surely, 2^1397355085 is an apocalyptic number.

It is an amenable number.

1397355085 is a deficient number, since it is larger than the sum of its proper divisors (520321715).

1397355085 is a wasteful number, since it uses less digits than its factorization.

1397355085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180.

The product of its (nonzero) digits is 567000, while the sum is 46.

The square root of 1397355085 is about 37381.2129953002. The cubic root of 1397355085 is about 1117.9840129327.

The spelling of 1397355085 in words is "one billion, three hundred ninety-seven million, three hundred fifty-five thousand, eighty-five".