1395797161 has 8 divisors (see below), whose sum is σ = 1548496800. Its totient is φ = 1247399040.

The previous prime is 1395797149. The next prime is 1395797177. The reversal of 1395797161 is 1617975931.

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 1395797161 - 2⁵ = 1395797129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395797111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074696 + ... + 1075993.

It is an arithmetic number, because the mean of its divisors is an integer number (193562100).

Almost surely, 2^1395797161 is an apocalyptic number.

1395797161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1395797161 is a deficient number, since it is larger than the sum of its proper divisors (152699639).

1395797161 is a wasteful number, since it uses less digits than its factorization.

1395797161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150759.

The product of its digits is 357210, while the sum is 49.

The square root of 1395797161 is about 37360.3688552455. The cubic root of 1395797161 is about 1117.5683748850.

The spelling of 1395797161 in words is "one billion, three hundred ninety-five million, seven hundred ninety-seven thousand, one hundred sixty-one".