1356880887 has 12 divisors (see below), whose sum is σ = 1974041160. Its totient is φ = 898078608.

The previous prime is 1356880831. The next prime is 1356880897. The reversal of 1356880887 is 7880886531.

It is a happy number.

It is not a de Polignac number, because 1356880887 - 2¹⁰ = 1356879863 is a prime.

It is a super-2 number, since 2×1356880887² = 3682251483011813538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356880817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541068 + ... + 543569.

It is an arithmetic number, because the mean of its divisors is an integer number (164503430).

Almost surely, 2^1356880887 is an apocalyptic number.

1356880887 is a deficient number, since it is larger than the sum of its proper divisors (617160273).

1356880887 is a wasteful number, since it uses less digits than its factorization.

1356880887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084782 (or 1084779 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 1356880887 is about 36835.8641408071. The cubic root of 1356880887 is about 1107.0840020176.

The spelling of 1356880887 in words is "one billion, three hundred fifty-six million, eight hundred eighty thousand, eight hundred eighty-seven".