1362864889 has 27 divisors (see below), whose sum is σ = 1512245007. Its totient is φ = 1228007088.

The previous prime is 1362864883. The next prime is 1362864907. The reversal of 1362864889 is 9884682631.

The square root of 1362864889 is 36917.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 714653289 + 648211600 = 26733^2 + 25460^2 .

It is not a de Polignac number, because 1362864889 - 2⁷ = 1362864761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1362864883) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20341234 + ... + 20341300.

Almost surely, 2^1362864889 is an apocalyptic number.

1362864889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1362864889 is the 36917-th square number.

1362864889 is the 18459-th centered octagonal number.

It is an amenable number.

1362864889 is a deficient number, since it is larger than the sum of its proper divisors (149380118).

1362864889 is an frugal number, since it uses more digits than its factorization.

1362864889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 115 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The cubic root of 1362864889 is about 1108.7090716987.

The spelling of 1362864889 in words is "one billion, three hundred sixty-two million, eight hundred sixty-four thousand, eight hundred eighty-nine".