1369872100 has 36 divisors (see below), whose sum is σ = 2991590644. Its totient is φ = 544452480.

The previous prime is 1369871999. The next prime is 1369872107. The reversal of 1369872100 is 12789631.

It can be written as a sum of positive squares in 6 ways, for example, as 244672164 + 1125199936 = 15642^2 + 33544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1369872100.

It is not an unprimeable number, because it can be changed into a prime (1369872107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27927 + ... + 59326.

Almost surely, 2^1369872100 is an apocalyptic number.

1369872100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369872100 is an abundant number, since it is smaller than the sum of its proper divisors (1621718544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369872100 is a wasteful number, since it uses less digits than its factorization.

1369872100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87424 (or 87417 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1369872100 is about 37011.7832588488. The cubic root of 1369872100 is about 1110.6059781321.

The spelling of 1369872100 in words is "one billion, three hundred sixty-nine million, eight hundred seventy-two thousand, one hundred".