1340406464131 has 8 divisors (see below), whose sum is σ = 1531908122624. Its totient is φ = 1148908560840.

The previous prime is 1340406464129. The next prime is 1340406464191. The reversal of 1340406464131 is 1314646040431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340406464131 - 2¹ = 1340406464129 is a prime.

It is a super-2 number, since 2×1340406464131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340406464101) 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, 127125 + ... + 1642246.

It is an arithmetic number, because the mean of its divisors is an integer number (191488515328).

Almost surely, 2^{1340406464131} is an apocalyptic number.

1340406464131 is a deficient number, since it is larger than the sum of its proper divisors (191501658493).

1340406464131 is a wasteful number, since it uses less digits than its factorization.

1340406464131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877601.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1340406464131 in words is "one trillion, three hundred forty billion, four hundred six million, four hundred sixty-four thousand, one hundred thirty-one".