1401637001306 has 4 divisors (see below), whose sum is σ = 2102455501962. Its totient is φ = 700818500652.

The previous prime is 1401637001263. The next prime is 1401637001351. The reversal of 1401637001306 is 6031007361041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1175617579081 + 226019422225 = 1084259^2 + 475415^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350409250325 + ... + 350409250328.

Almost surely, 2^{1401637001306} is an apocalyptic number.

1401637001306 is a deficient number, since it is larger than the sum of its proper divisors (700818500656).

1401637001306 is an equidigital number, since it uses as much as digits as its factorization.

1401637001306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700818500655.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 1401637001306 in words is "one trillion, four hundred one billion, six hundred thirty-seven million, one thousand, three hundred six".