1356768069 has 16 divisors (see below), whose sum is σ = 1823233920. Its totient is φ = 897422400.

The previous prime is 1356768053. The next prime is 1356768073. The reversal of 1356768069 is 9608676531.

It is not a de Polignac number, because 1356768069 - 2⁴ = 1356768053 is a prime.

It is a super-2 number, since 2×1356768069² = 3681639186115977522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356768029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555519 + ... + 557955.

It is an arithmetic number, because the mean of its divisors is an integer number (113952120).

Almost surely, 2^1356768069 is an apocalyptic number.

It is an amenable number.

1356768069 is a deficient number, since it is larger than the sum of its proper divisors (466465851).

1356768069 is a wasteful number, since it uses less digits than its factorization.

1356768069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 1356768069 is about 36834.3327481305. The cubic root of 1356768069 is about 1107.0533182963.

The spelling of 1356768069 in words is "one billion, three hundred fifty-six million, seven hundred sixty-eight thousand, sixty-nine".