1328142286901 has 4 divisors (see below), whose sum is σ = 1328208743904. Its totient is φ = 1328075829900.

The previous prime is 1328142286873. The next prime is 1328142286931. The reversal of 1328142286901 is 1096822418231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1328142286901 - 2³⁴ = 1310962417717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328142286931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33198515 + ... + 33238496.

It is an arithmetic number, because the mean of its divisors is an integer number (332052185976).

Almost surely, 2^{1328142286901} is an apocalyptic number.

It is an amenable number.

1328142286901 is a deficient number, since it is larger than the sum of its proper divisors (66457003).

1328142286901 is an equidigital number, since it uses as much as digits as its factorization.

1328142286901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66457002.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1328142286901 in words is "one trillion, three hundred twenty-eight billion, one hundred forty-two million, two hundred eighty-six thousand, nine hundred one".