1336742747 has 2 divisors, whose sum is σ = 1336742748. Its totient is φ = 1336742746.

The previous prime is 1336742731. The next prime is 1336742779. The reversal of 1336742747 is 7472476331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1336742747 - 2⁴ = 1336742731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1336742698 and 1336742707.

It is not a weakly prime, because it can be changed into another prime (1336742707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668371373 + 668371374.

It is an arithmetic number, because the mean of its divisors is an integer number (668371374).

Almost surely, 2^1336742747 is an apocalyptic number.

1336742747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336742747 is an equidigital number, since it uses as much as digits as its factorization.

1336742747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 44.

The square root of 1336742747 is about 36561.4926801409. The cubic root of 1336742747 is about 1101.5797541326.

The spelling of 1336742747 in words is "one billion, three hundred thirty-six million, seven hundred forty-two thousand, seven hundred forty-seven".