1354975309896 has 144 divisors (see below), whose sum is σ = 3723668701200. Its totient is φ = 410687342208.

The previous prime is 1354975309841. The next prime is 1354975309901. The reversal of 1354975309896 is 6989035794531.

It is a super-2 number, since 2×1354975309896² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1354975309896.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18170175 + ... + 18244593.

It is an arithmetic number, because the mean of its divisors is an integer number (25858810425).

Almost surely, 2^{1354975309896} 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 1354975309896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861834350600).

1354975309896 is an abundant number, since it is smaller than the sum of its proper divisors (2368693391304).

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

1354975309896 is a wasteful number, since it uses less digits than its factorization.

1354975309896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74588 (or 74504 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 69.

The spelling of 1354975309896 in words is "one trillion, three hundred fifty-four billion, nine hundred seventy-five million, three hundred nine thousand, eight hundred ninety-six".