1351605696 has 112 divisors (see below), whose sum is σ = 4174150656. Its totient is φ = 377938944.

The previous prime is 1351605691. The next prime is 1351605701. The reversal of 1351605696 is 6965061531.

It is an interprime number because it is at equal distance from previous prime (1351605691) and next prime (1351605701).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351605691) 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, 52470 + ... + 73866.

Almost surely, 2^1351605696 is an apocalyptic number.

1351605696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351605696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087075328).

1351605696 is an abundant number, since it is smaller than the sum of its proper divisors (2822544960).

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

1351605696 is a wasteful number, since it uses less digits than its factorization.

1351605696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466 (or 21456 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1351605696 is about 36764.1904031627. The cubic root of 1351605696 is about 1105.6474563261.

The spelling of 1351605696 in words is "one billion, three hundred fifty-one million, six hundred five thousand, six hundred ninety-six".