1395121713 has 16 divisors (see below), whose sum is σ = 1921920000. Its totient is φ = 899622864.

The previous prime is 1395121697. The next prime is 1395121723. The reversal of 1395121713 is 3171215931.

It is not a de Polignac number, because 1395121713 - 2⁴ = 1395121697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1395121723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39213 + ... + 65786.

It is an arithmetic number, because the mean of its divisors is an integer number (120120000).

Almost surely, 2^1395121713 is an apocalyptic number.

It is an amenable number.

1395121713 is a deficient number, since it is larger than the sum of its proper divisors (526798287).

1395121713 is a wasteful number, since it uses less digits than its factorization.

1395121713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105148.

The product of its digits is 5670, while the sum is 33.

The square root of 1395121713 is about 37351.3281289970. The cubic root of 1395121713 is about 1117.3880762141.

The spelling of 1395121713 in words is "one billion, three hundred ninety-five million, one hundred twenty-one thousand, seven hundred thirteen".