1381068534 has 32 divisors (see below), whose sum is σ = 2885186304. Its totient is φ = 439889120.

The previous prime is 1381068517. The next prime is 1381068613. The reversal of 1381068534 is 4358601831.

It is a junction number, because it is equal to n+sod(n) for n = 1381068492 and 1381068501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145972 + ... + 155144.

It is an arithmetic number, because the mean of its divisors is an integer number (90162072).

Almost surely, 2^1381068534 is an apocalyptic number.

1381068534 is an abundant number, since it is smaller than the sum of its proper divisors (1504117770).

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

1381068534 is a wasteful number, since it uses less digits than its factorization.

1381068534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1381068534 is about 37162.7304432815. The cubic root of 1381068534 is about 1113.6235594815.

The spelling of 1381068534 in words is "one billion, three hundred eighty-one million, sixty-eight thousand, five hundred thirty-four".