1340401303124 has 24 divisors (see below), whose sum is σ = 2527707189000. Its totient is φ = 618263178624.

The previous prime is 1340401303123. The next prime is 1340401303187. The reversal of 1340401303124 is 4213031040431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 316091328400 + 1024309974724 = 562220^2 + 1012082^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1340401303093 and 1340401303102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340401303123) 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, 7906499 + ... + 8074250.

It is an arithmetic number, because the mean of its divisors is an integer number (105321132875).

Almost surely, 2^{1340401303124} is an apocalyptic number.

It is an amenable number.

1340401303124 is a deficient number, since it is larger than the sum of its proper divisors (1187305885876).

1340401303124 is a wasteful number, since it uses less digits than its factorization.

1340401303124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15982379 (or 15982377 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1340401303124 its reverse (4213031040431), we get a palindrome (5553432343555).

The spelling of 1340401303124 in words is "one trillion, three hundred forty billion, four hundred one million, three hundred three thousand, one hundred twenty-four".