1376528081700 has 144 divisors (see below), whose sum is σ = 4218097524480. Its totient is φ = 345394452480.

The previous prime is 1376528081671. The next prime is 1376528081729. The reversal of 1376528081700 is 71808256731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1376528081671) and next prime (1376528081729).

It is a self number, because there is not a number n which added to its sum of digits gives 1376528081700.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21535989 + ... + 21599811.

It is an arithmetic number, because the mean of its divisors is an integer number (29292343920).

Almost surely, 2^{1376528081700} is an apocalyptic number.

1376528081700 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 1376528081700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109048762240).

1376528081700 is an abundant number, since it is smaller than the sum of its proper divisors (2841569442780).

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

1376528081700 is a wasteful number, since it uses less digits than its factorization.

1376528081700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68086 (or 68079 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 1376528081700 in words is "one trillion, three hundred seventy-six billion, five hundred twenty-eight million, eighty-one thousand, seven hundred".