1356197328 has 30 divisors (see below), whose sum is σ = 3795469314. Its totient is φ = 452065728.

The previous prime is 1356197279. The next prime is 1356197329. The reversal of 1356197328 is 8237916531.

1356197328 is a `hidden beast` number, since 1 + 3 + 5 + 619 + 7 + 3 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 937094544 + 419102784 = 30612^2 + 20472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356197329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4708875 + ... + 4709162.

Almost surely, 2^1356197328 is an apocalyptic number.

1356197328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1356197328 is an abundant number, since it is smaller than the sum of its proper divisors (2439271986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356197328 is a wasteful number, since it uses less digits than its factorization.

1356197328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418051 (or 9418042 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1356197328 is about 36826.5845280281. The cubic root of 1356197328 is about 1106.8980647075.

It can be divided in two parts, 13561 and 97328, that added together give a square (110889 = 333²).

The spelling of 1356197328 in words is "one billion, three hundred fifty-six million, one hundred ninety-seven thousand, three hundred twenty-eight".