1401605138213 has 16 divisors (see below), whose sum is σ = 1613118447360. Its totient is φ = 1192927940736.

The previous prime is 1401605138209. The next prime is 1401605138249. The reversal of 1401605138213 is 3128315061041.

It is a happy number.

It is not a de Polignac number, because 1401605138213 - 2² = 1401605138209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401605138273) 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 15 ways as a sum of consecutive naturals, for example, 485003 + ... + 1743111.

It is an arithmetic number, because the mean of its divisors is an integer number (100819902960).

Almost surely, 2^{1401605138213} is an apocalyptic number.

It is an amenable number.

1401605138213 is a deficient number, since it is larger than the sum of its proper divisors (211513309147).

1401605138213 is a wasteful number, since it uses less digits than its factorization.

1401605138213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259236.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 1401605138213 in words is "one trillion, four hundred one billion, six hundred five million, one hundred thirty-eight thousand, two hundred thirteen".