1351999996 has 12 divisors (see below), whose sum is σ = 2395949920. Its totient is φ = 667442880.

The previous prime is 1351999951. The next prime is 1351999997. The reversal of 1351999996 is 6999991531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351999997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138925 + ... + 2139556.

Almost surely, 2^1351999996 is an apocalyptic number.

It is an amenable number.

1351999996 is a deficient number, since it is larger than the sum of its proper divisors (1043949924).

1351999996 is a wasteful number, since it uses less digits than its factorization.

1351999996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278564 (or 4278562 counting only the distinct ones).

The product of its digits is 5314410, while the sum is 61.

The square root of 1351999996 is about 36769.5525673076. The cubic root of 1351999996 is about 1105.7549616453.

The spelling of 1351999996 in words is "one billion, three hundred fifty-one million, nine hundred ninety-nine thousand, nine hundred ninety-six".