1351561136 has 20 divisors (see below), whose sum is σ = 2635996464. Its totient is φ = 671304000.

The previous prime is 1351561129. The next prime is 1351561147. The reversal of 1351561136 is 6311651531.

It is a super-2 number, since 2×1351561136² = 3653435008691220992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277295 + ... + 282126.

Almost surely, 2^1351561136 is an apocalyptic number.

1351561136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1351561136 is a deficient number, since it is larger than the sum of its proper divisors (1284435328).

1351561136 is a wasteful number, since it uses less digits than its factorization.

1351561136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559580 (or 559574 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 1351561136 is about 36763.5843736706. The cubic root of 1351561136 is about 1105.6353057923.

The spelling of 1351561136 in words is "one billion, three hundred fifty-one million, five hundred sixty-one thousand, one hundred thirty-six".