1395194027690 has 8 divisors (see below), whose sum is σ = 2511349249860. Its totient is φ = 558077611072.

The previous prime is 1395194027671. The next prime is 1395194027699. The reversal of 1395194027690 is 967204915931.

It can be written as a sum of positive squares in 2 ways, for example, as 1191378799009 + 203815228681 = 1091503^2 + 451459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1395194027690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1395194027699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69759701375 + ... + 69759701394.

Almost surely, 2^{1395194027690} is an apocalyptic number.

1395194027690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1395194027690 is a deficient number, since it is larger than the sum of its proper divisors (1116155222170).

1395194027690 is a wasteful number, since it uses less digits than its factorization.

1395194027690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139519402776.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 1395194027690 in words is "one trillion, three hundred ninety-five billion, one hundred ninety-four million, twenty-seven thousand, six hundred ninety".