1369204456 has 8 divisors (see below), whose sum is σ = 2567258370. Its totient is φ = 684602224.

The previous prime is 1369204453. The next prime is 1369204519. The reversal of 1369204456 is 6544029631.

It can be written as a sum of positive squares in only one way, i.e., 1356743556 + 12460900 = 36834^2 + 3530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1369204451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85575271 + ... + 85575286.

Almost surely, 2^1369204456 is an apocalyptic number.

It is an amenable number.

1369204456 is a deficient number, since it is larger than the sum of its proper divisors (1198053914).

1369204456 is a wasteful number, since it uses less digits than its factorization.

1369204456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171150563 (or 171150559 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1369204456 is about 37002.7628157682. The cubic root of 1369204456 is about 1110.4255209172.

It can be divided in two parts, 136920 and 4456, that added together give a square (141376 = 376²).

The spelling of 1369204456 in words is "one billion, three hundred sixty-nine million, two hundred four thousand, four hundred fifty-six".