1344039146531 has 16 divisors (see below), whose sum is σ = 1461438950400. Its totient is φ = 1231362972000.

The previous prime is 1344039146509. The next prime is 1344039146557. The reversal of 1344039146531 is 1356419304431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344039146531 is a prime.

It is a super-2 number, since 2×1344039146531² (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 (1344039146501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43256 + ... + 1640106.

It is an arithmetic number, because the mean of its divisors is an integer number (91339934400).

Almost surely, 2^{1344039146531} is an apocalyptic number.

1344039146531 is a deficient number, since it is larger than the sum of its proper divisors (117399803869).

1344039146531 is a wasteful number, since it uses less digits than its factorization.

1344039146531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598330.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 1344039146531 in words is "one trillion, three hundred forty-four billion, thirty-nine million, one hundred forty-six thousand, five hundred thirty-one".