1357121746679 has 4 divisors (see below), whose sum is σ = 1388682717576. Its totient is φ = 1325560775784.

The previous prime is 1357121746667. The next prime is 1357121746693. The reversal of 1357121746679 is 9766471217531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1357121746679 - 2⁴ = 1357121746663 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 (1357121706679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15780485384 + ... + 15780485469.

It is an arithmetic number, because the mean of its divisors is an integer number (347170679394).

Almost surely, 2^{1357121746679} is an apocalyptic number.

1357121746679 is a deficient number, since it is larger than the sum of its proper divisors (31560970897).

1357121746679 is an equidigital number, since it uses as much as digits as its factorization.

1357121746679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31560970896.

The product of its digits is 13335840, while the sum is 59.

The spelling of 1357121746679 in words is "one trillion, three hundred fifty-seven billion, one hundred twenty-one million, seven hundred forty-six thousand, six hundred seventy-nine".