1356645330 has 48 divisors (see below), whose sum is σ = 3622618584. Its totient is φ = 351993600.

The previous prime is 1356645299. The next prime is 1356645361. The reversal of 1356645330 is 335466531.

1356645330 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 645 + 3 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1356645299) and next prime (1356645361).

It can be written as a sum of positive squares in 4 ways, for example, as 1246584249 + 110061081 = 35307^2 + 10491^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200371 + ... + 207030.

Almost surely, 2^1356645330 is an apocalyptic number.

1356645330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356645330 is an abundant number, since it is smaller than the sum of its proper divisors (2265973254).

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

1356645330 is a wasteful number, since it uses less digits than its factorization.

1356645330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407451 (or 407448 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 1356645330 is about 36832.6666153837. Note that the first 4 decimals coincide. The cubic root of 1356645330 is about 1107.0199343752.

The spelling of 1356645330 in words is "one billion, three hundred fifty-six million, six hundred forty-five thousand, three hundred thirty".