1395070439161 has 27 divisors (see below), whose sum is σ = 1677183455493. Its totient is φ = 1156988682360.

The previous prime is 1395070439123. The next prime is 1395070439173. The reversal of 1395070439161 is 1619340705931.

The square root of 1395070439161 is 1181131.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1395070439161 - 2³³ = 1386480504569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1395070439461) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 256302706 + ... + 256308148.

It is an arithmetic number, because the mean of its divisors is an integer number (62117905759).

Almost surely, 2^{1395070439161} is an apocalyptic number.

1395070439161 is the 1181131-st square number.

1395070439161 is the 590566-th centered octagonal number.

It is an amenable number.

1395070439161 is a deficient number, since it is larger than the sum of its proper divisors (282113016332).

1395070439161 is an frugal number, since it uses more digits than its factorization.

1395070439161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10962 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

Multiplying 1395070439161 by its sum of digits (49), we get a square (68358451518889 = 8267917²).

1395070439161 divided by its sum of digits (49) gives a square (28470825289 = 168733²).

The spelling of 1395070439161 in words is "one trillion, three hundred ninety-five billion, seventy million, four hundred thirty-nine thousand, one hundred sixty-one".