1356445430 has 32 divisors (see below), whose sum is σ = 2490909408. Its totient is φ = 531648000.

The previous prime is 1356445421. The next prime is 1356445463. The reversal of 1356445430 is 345446531.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635465 + ... + 637595.

It is an arithmetic number, because the mean of its divisors is an integer number (77840919).

Almost surely, 2^1356445430 is an apocalyptic number.

1356445430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356445430 is a deficient number, since it is larger than the sum of its proper divisors (1134463978).

1356445430 is a wasteful number, since it uses less digits than its factorization.

1356445430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 1356445430 is about 36829.9528916343. The cubic root of 1356445430 is about 1106.9655590348.

The spelling of 1356445430 in words is "one billion, three hundred fifty-six million, four hundred forty-five thousand, four hundred thirty".