1353668356 has 6 divisors (see below), whose sum is σ = 2368919630. Its totient is φ = 676834176.

The previous prime is 1353668339. The next prime is 1353668359. The reversal of 1353668356 is 6538663531.

It can be written as a sum of positive squares in only one way, i.e., 1015696900 + 337971456 = 31870^2 + 18384^2 .

It is not an unprimeable number, because it can be changed into a prime (1353668359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169208541 + ... + 169208548.

Almost surely, 2^1353668356 is an apocalyptic number.

It is an amenable number.

1353668356 is a deficient number, since it is larger than the sum of its proper divisors (1015251274).

1353668356 is a wasteful number, since it uses less digits than its factorization.

1353668356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338417093 (or 338417091 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The square root of 1353668356 is about 36792.2322780230. The cubic root of 1353668356 is about 1106.2096063815.

The spelling of 1353668356 in words is "one billion, three hundred fifty-three million, six hundred sixty-eight thousand, three hundred fifty-six".