1395131908513 has 8 divisors (see below), whose sum is σ = 1610222967360. Its totient is φ = 1183987474800.

The previous prime is 1395131908493. The next prime is 1395131908519. The reversal of 1395131908513 is 3158091315931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1395131908513 is a prime.

It is a super-2 number, since 2×1395131908513² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1395131908519) 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 7 ways as a sum of consecutive naturals, for example, 986655523 + ... + 986656936.

It is an arithmetic number, because the mean of its divisors is an integer number (201277870920).

Almost surely, 2^{1395131908513} is an apocalyptic number.

It is an amenable number.

1395131908513 is a deficient number, since it is larger than the sum of its proper divisors (215091058847).

1395131908513 is a wasteful number, since it uses less digits than its factorization.

1395131908513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973312567.

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 1395131908513 in words is "one trillion, three hundred ninety-five billion, one hundred thirty-one million, nine hundred eight thousand, five hundred thirteen".