1378613432 has 24 divisors (see below), whose sum is σ = 3006925560. Its totient is φ = 590834160.

The previous prime is 1378613407. The next prime is 1378613441. The reversal of 1378613432 is 2343168731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1758044 + ... + 1758827.

It is an arithmetic number, because the mean of its divisors is an integer number (125288565).

Almost surely, 2^1378613432 is an apocalyptic number.

It is an amenable number.

1378613432 is an abundant number, since it is smaller than the sum of its proper divisors (1628312128).

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

1378613432 is a wasteful number, since it uses less digits than its factorization.

1378613432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516891 (or 3516880 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 1378613432 is about 37129.6839738773. The cubic root of 1378613432 is about 1112.9632781946.

The spelling of 1378613432 in words is "one billion, three hundred seventy-eight million, six hundred thirteen thousand, four hundred thirty-two".