1356224013 has 16 divisors (see below), whose sum is σ = 2016331840. Its totient is φ = 900949392.

The previous prime is 1356223987. The next prime is 1356224017. The reversal of 1356224013 is 3104226531.

1356224013 is a `hidden beast` number, since 1 + 35 + 622 + 4 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 1356224013 - 2²² = 1352029709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356224017) 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, 81106 + ... + 96387.

It is an arithmetic number, because the mean of its divisors is an integer number (126020740).

Almost surely, 2^1356224013 is an apocalyptic number.

It is an amenable number.

1356224013 is a deficient number, since it is larger than the sum of its proper divisors (660107827).

1356224013 is a wasteful number, since it uses less digits than its factorization.

1356224013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177785 (or 177779 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1356224013 is about 36826.9468324487. The cubic root of 1356224013 is about 1106.9053245608.

The spelling of 1356224013 in words is "one billion, three hundred fifty-six million, two hundred twenty-four thousand, thirteen".