1366374204 has 192 divisors, whose sum is σ = 3933798400. Its totient is φ = 407586816.

The previous prime is 1366374203. The next prime is 1366374209. The reversal of 1366374204 is 4024736631.

It is a happy number.

1366374204 is a `hidden beast` number, since 13 + 6 + 637 + 4 + 2 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366374203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10758789 + ... + 10758915.

Almost surely, 2^1366374204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366374204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966899200).

1366374204 is an abundant number, since it is smaller than the sum of its proper divisors (2567424196).

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

1366374204 is a wasteful number, since it uses less digits than its factorization.

1366374204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 1366374204 is about 36964.4992391348. The cubic root of 1366374204 is about 1109.6598811845.

The spelling of 1366374204 in words is "one billion, three hundred sixty-six million, three hundred seventy-four thousand, two hundred four".