1381101898764 has 192 divisors, whose sum is σ = 3810240000000. Its totient is φ = 389138061312.

The previous prime is 1381101898739. The next prime is 1381101898777. The reversal of 1381101898764 is 4678981011831.

It is a super-2 number, since 2×1381101898764² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341095012 + ... + 341099060.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000000).

Almost surely, 2^{1381101898764} is an apocalyptic number.

1381101898764 is a gapful number since it is divisible by the number (14) 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 1381101898764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905120000000).

1381101898764 is an abundant number, since it is smaller than the sum of its proper divisors (2429138101236).

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

1381101898764 is a wasteful number, since it uses less digits than its factorization.

1381101898764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 57.

The spelling of 1381101898764 in words is "one trillion, three hundred eighty-one billion, one hundred one million, eight hundred ninety-eight thousand, seven hundred sixty-four".