1378030634 has 16 divisors (see below), whose sum is σ = 2109729888. Its totient is φ = 674832912.

The previous prime is 1378030603. The next prime is 1378030639. The reversal of 1378030634 is 4360308731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1378030594 and 1378030603.

It is not an unprimeable number, because it can be changed into a prime (1378030639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51149 + ... + 73295.

It is an arithmetic number, because the mean of its divisors is an integer number (131858118).

Almost surely, 2^1378030634 is an apocalyptic number.

1378030634 is a deficient number, since it is larger than the sum of its proper divisors (731699254).

1378030634 is a wasteful number, since it uses less digits than its factorization.

1378030634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22789.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1378030634 is about 37121.8350031353. The cubic root of 1378030634 is about 1112.8064239282.

The spelling of 1378030634 in words is "one billion, three hundred seventy-eight million, thirty thousand, six hundred thirty-four".