1351606856 has 16 divisors (see below), whose sum is σ = 2534825340. Its totient is φ = 675653440.

The previous prime is 1351606853. The next prime is 1351606859. The reversal of 1351606856 is 6586061531.

It is an interprime number because it is at equal distance from previous prime (1351606853) and next prime (1351606859).

It can be written as a sum of positive squares in 2 ways, for example, as 1349386756 + 2220100 = 36734^2 + 1490^2 .

It is not an unprimeable number, because it can be changed into a prime (1351606853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25766 + ... + 58026.

Almost surely, 2^1351606856 is an apocalyptic number.

It is an amenable number.

1351606856 is a deficient number, since it is larger than the sum of its proper divisors (1183218484).

1351606856 is a wasteful number, since it uses less digits than its factorization.

1351606856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37504 (or 37500 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1351606856 is about 36764.2061793805. The cubic root of 1351606856 is about 1105.6477726290.

The spelling of 1351606856 in words is "one billion, three hundred fifty-one million, six hundred six thousand, eight hundred fifty-six".