1381263180160 has 64 divisors (see below), whose sum is σ = 3303265471200. Its totient is φ = 552307302400.

The previous prime is 1381263180139. The next prime is 1381263180233. The reversal of 1381263180160 is 610813621831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407381 + ... + 2177899.

Almost surely, 2^{1381263180160} is an apocalyptic number.

1381263180160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381263180160 is an abundant number, since it is smaller than the sum of its proper divisors (1922002291040).

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

1381263180160 is an equidigital number, since it uses as much as digits as its factorization.

1381263180160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773339 (or 773327 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 1381263180160 in words is "one trillion, three hundred eighty-one billion, two hundred sixty-three million, one hundred eighty thousand, one hundred sixty".