1400441061413 has 4 divisors (see below), whose sum is σ = 1400748112908. Its totient is φ = 1400134009920.

The previous prime is 1400441061403. The next prime is 1400441061421. The reversal of 1400441061413 is 3141601440041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 366888238369 + 1033552823044 = 605713^2 + 1016638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400441061413 - 2⁸ = 1400441061157 is a prime.

It is a super-2 number, since 2×1400441061413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400441061403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153518906 + ... + 153528027.

It is an arithmetic number, because the mean of its divisors is an integer number (350187028227).

Almost surely, 2^{1400441061413} is an apocalyptic number.

It is an amenable number.

1400441061413 is a deficient number, since it is larger than the sum of its proper divisors (307051495).

1400441061413 is an equidigital number, since it uses as much as digits as its factorization.

1400441061413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307051494.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1400441061413 in words is "one trillion, four hundred billion, four hundred forty-one million, sixty-one thousand, four hundred thirteen".