1306142972005 has 8 divisors (see below), whose sum is σ = 1569266821152. Its totient is φ = 1043650874448.

The previous prime is 1306142972003. The next prime is 1306142972021. The reversal of 1306142972005 is 5002792416031.

It is a happy number.

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 1306142972005 - 2¹ = 1306142972003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306142972003) 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, 157933347 + ... + 157941616.

It is an arithmetic number, because the mean of its divisors is an integer number (196158352644).

Almost surely, 2^{1306142972005} is an apocalyptic number.

It is an amenable number.

1306142972005 is a deficient number, since it is larger than the sum of its proper divisors (263123849147).

1306142972005 is an equidigital number, since it uses as much as digits as its factorization.

1306142972005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315875795.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 1306142972005 in words is "one trillion, three hundred six billion, one hundred forty-two million, nine hundred seventy-two thousand, five".