1361604504 has 64 divisors (see below), whose sum is σ = 3680339040. Its totient is φ = 417300480.

The previous prime is 1361604499. The next prime is 1361604521. The reversal of 1361604504 is 4054061631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71694 + ... + 88674.

Almost surely, 2^1361604504 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 1361604504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840169520).

1361604504 is an abundant number, since it is smaller than the sum of its proper divisors (2318734536).

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

1361604504 is a wasteful number, since it uses less digits than its factorization.

1361604504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260 (or 17256 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1361604504 is about 36899.9255283801. The cubic root of 1361604504 is about 1108.3671861872.

The spelling of 1361604504 in words is "one billion, three hundred sixty-one million, six hundred four thousand, five hundred four".