1371664900 has 18 divisors (see below), whose sum is σ = 2976513050. Its totient is φ = 548665920.

The previous prime is 1371664837. The next prime is 1371664909. The reversal of 1371664900 is 94661731.

It can be written as a sum of positive squares in 3 ways, for example, as 396726724 + 974938176 = 19918^2 + 31224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1371664900.

It is not an unprimeable number, because it can be changed into a prime (1371664909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6858225 + ... + 6858424.

Almost surely, 2^1371664900 is an apocalyptic number.

1371664900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371664900 is an abundant number, since it is smaller than the sum of its proper divisors (1604848150).

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

1371664900 is a wasteful number, since it uses less digits than its factorization.

1371664900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716663 (or 13716656 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1371664900 is about 37035.9946538499. The cubic root of 1371664900 is about 1111.0902633496.

The spelling of 1371664900 in words is "one billion, three hundred seventy-one million, six hundred sixty-four thousand, nine hundred".