1316400623235 has 24 divisors (see below), whose sum is σ = 2282027164560. Its totient is φ = 701998460352.

The previous prime is 1316400623233. The next prime is 1316400623249. The reversal of 1316400623235 is 5323260046131.

1316400623235 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 4 + 0 + 0 + 623 + 23 + 5 = 666.

It is not a de Polignac number, because 1316400623235 - 2¹ = 1316400623233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316400623235.

It is not an unprimeable number, because it can be changed into a prime (1316400623233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1314505 + ... + 2088234.

It is an arithmetic number, because the mean of its divisors is an integer number (95084465190).

Almost surely, 2^{1316400623235} is an apocalyptic number.

1316400623235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1316400623235 is a deficient number, since it is larger than the sum of its proper divisors (965626541325).

1316400623235 is a wasteful number, since it uses less digits than its factorization.

1316400623235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411347 (or 3411344 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 1316400623235 its reverse (5323260046131), we get a palindrome (6639660669366).

The spelling of 1316400623235 in words is "one trillion, three hundred sixteen billion, four hundred million, six hundred twenty-three thousand, two hundred thirty-five".