1406313201655 has 8 divisors (see below), whose sum is σ = 1687619780784. Its totient is φ = 1125021268800.

The previous prime is 1406313201653. The next prime is 1406313201679. The reversal of 1406313201655 is 5561023136041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406313201655 - 2¹ = 1406313201653 is a prime.

It is a super-2 number, since 2×1406313201655² (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 (1406313201653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449206 + ... + 3835315.

It is an arithmetic number, because the mean of its divisors is an integer number (210952472598).

Almost surely, 2^{1406313201655} is an apocalyptic number.

1406313201655 is a deficient number, since it is larger than the sum of its proper divisors (281306579129).

1406313201655 is an equidigital number, since it uses as much as digits as its factorization.

1406313201655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323137.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 1406313201655 its reverse (5561023136041), we get a palindrome (6967336337696).

The spelling of 1406313201655 in words is "one trillion, four hundred six billion, three hundred thirteen million, two hundred one thousand, six hundred fifty-five".