1349733456 has 50 divisors (see below), whose sum is σ = 3906523962. Its totient is φ = 449910720.

The previous prime is 1349733443. The next prime is 1349733487. The reversal of 1349733456 is 6543379431.

It can be written as a sum of positive squares in only one way, i.e., 1335171600 + 14561856 = 36540^2 + 3816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 519435 + ... + 522026.

Almost surely, 2^1349733456 is an apocalyptic number.

1349733456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1349733456 is an abundant number, since it is smaller than the sum of its proper divisors (2556790506).

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

1349733456 is a wasteful number, since it uses less digits than its factorization.

1349733456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041481 (or 1041466 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 1349733456 is about 36738.7187582801. The cubic root of 1349733456 is about 1105.1367072866.

The spelling of 1349733456 in words is "one billion, three hundred forty-nine million, seven hundred thirty-three thousand, four hundred fifty-six".