1378793130 has 64 divisors (see below), whose sum is σ = 3887630208. Its totient is φ = 308540160.

The previous prime is 1378793077. The next prime is 1378793131. The reversal of 1378793130 is 313978731.

It is not an unprimeable number, because it can be changed into a prime (1378793131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156409 + ... + 164988.

It is an arithmetic number, because the mean of its divisors is an integer number (60744222).

Almost surely, 2^1378793130 is an apocalyptic number.

1378793130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1378793130 is an abundant number, since it is smaller than the sum of its proper divisors (2508837078).

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

1378793130 is a wasteful number, since it uses less digits than its factorization.

1378793130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321431.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 1378793130 is about 37132.1037648017. The cubic root of 1378793130 is about 1113.0116332015.

The spelling of 1378793130 in words is "one billion, three hundred seventy-eight million, seven hundred ninety-three thousand, one hundred thirty".