1381601504 has 48 divisors (see below), whose sum is σ = 2779596288. Its totient is φ = 675827712.

The previous prime is 1381601489. The next prime is 1381601531. The reversal of 1381601504 is 4051061831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294344 + ... + 299000.

It is an arithmetic number, because the mean of its divisors is an integer number (57908256).

Almost surely, 2^1381601504 is an apocalyptic number.

It is an amenable number.

1381601504 is an abundant number, since it is smaller than the sum of its proper divisors (1397994784).

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

1381601504 is a wasteful number, since it uses less digits than its factorization.

1381601504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1381601504 is about 37169.9005110318. The cubic root of 1381601504 is about 1113.7667943755.

The spelling of 1381601504 in words is "one billion, three hundred eighty-one million, six hundred one thousand, five hundred four".