1356435345 has 16 divisors (see below), whose sum is σ = 2205876672. Its totient is φ = 711572160.

The previous prime is 1356435323. The next prime is 1356435347. The reversal of 1356435345 is 5435346531.

It is not a de Polignac number, because 1356435345 - 2⁵ = 1356435313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1356435347) 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, 740307 + ... + 742136.

It is an arithmetic number, because the mean of its divisors is an integer number (137867292).

Almost surely, 2^1356435345 is an apocalyptic number.

1356435345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1356435345 is a deficient number, since it is larger than the sum of its proper divisors (849441327).

1356435345 is a wasteful number, since it uses less digits than its factorization.

1356435345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482512.

The product of its digits is 324000, while the sum is 39.

The square root of 1356435345 is about 36829.8159783619. The cubic root of 1356435345 is about 1106.9628156450.

The spelling of 1356435345 in words is "one billion, three hundred fifty-six million, four hundred thirty-five thousand, three hundred forty-five".