1351700255640 has 128 divisors (see below), whose sum is σ = 4639080222720. Its totient is φ = 308648102400.

The previous prime is 1351700255621. The next prime is 1351700255657. The reversal of 1351700255640 is 465520071531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20550 + ... + 1644330.

It is an arithmetic number, because the mean of its divisors is an integer number (36242814240).

Almost surely, 2^{1351700255640} is an apocalyptic number.

1351700255640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351700255640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2319540111360).

1351700255640 is an abundant number, since it is smaller than the sum of its proper divisors (3287379967080).

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

1351700255640 is a wasteful number, since it uses less digits than its factorization.

1351700255640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624793 (or 1624789 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 1351700255640 in words is "one trillion, three hundred fifty-one billion, seven hundred million, two hundred fifty-five thousand, six hundred forty".