1395140759976 has 128 divisors (see below), whose sum is σ = 3854928672000. Its totient is φ = 418515271680.

The previous prime is 1395140759963. The next prime is 1395140760023. The reversal of 1395140759976 is 6799570415931.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28587436 + ... + 28636196.

It is an arithmetic number, because the mean of its divisors is an integer number (30116630250).

Almost surely, 2^{1395140759976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395140759976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927464336000).

1395140759976 is an abundant number, since it is smaller than the sum of its proper divisors (2459787912024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395140759976 is a wasteful number, since it uses less digits than its factorization.

1395140759976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51859 (or 51855 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 66.

The spelling of 1395140759976 in words is "one trillion, three hundred ninety-five billion, one hundred forty million, seven hundred fifty-nine thousand, nine hundred seventy-six".