1315838694534 has 32 divisors (see below), whose sum is σ = 3238987557120. Its totient is φ = 347034380832.

The previous prime is 1315838694493. The next prime is 1315838694607. The reversal of 1315838694534 is 4354968385131.

It is a happy number.

It is a super-2 number, since 2×1315838694534² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1204979944 + ... + 1204981035.

It is an arithmetic number, because the mean of its divisors is an integer number (101218361160).

Almost surely, 2^{1315838694534} is an apocalyptic number.

1315838694534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1315838694534 is an abundant number, since it is smaller than the sum of its proper divisors (1923148862586).

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

1315838694534 is a wasteful number, since it uses less digits than its factorization.

1315838694534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409961004.

The product of its digits is 37324800, while the sum is 60.

The spelling of 1315838694534 in words is "one trillion, three hundred fifteen billion, eight hundred thirty-eight million, six hundred ninety-four thousand, five hundred thirty-four".