1380819534 has 8 divisors (see below), whose sum is σ = 2761639080. Its totient is φ = 460273176.

The previous prime is 1380819499. The next prime is 1380819563. The reversal of 1380819534 is 4359180831.

It is a sphenic number, since it is the product of 3 distinct primes.

1380819534 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115068289 + ... + 115068300.

It is an arithmetic number, because the mean of its divisors is an integer number (345204885).

Almost surely, 2^1380819534 is an apocalyptic number.

1380819534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1380819534 is a wasteful number, since it uses less digits than its factorization.

1380819534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230136594.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1380819534 is about 37159.3801616765. The cubic root of 1380819534 is about 1113.5566284722.

The spelling of 1380819534 in words is "one billion, three hundred eighty million, eight hundred nineteen thousand, five hundred thirty-four".