1139334378 has 48 divisors (see below), whose sum is σ = 2854605600. Its totient is φ = 300482784.

The previous prime is 1139334359. The next prime is 1139334401. The reversal of 1139334378 is 8734339311.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 145228 + ... + 152871.

It is an arithmetic number, because the mean of its divisors is an integer number (59470950).

Almost surely, 2^1139334378 is an apocalyptic number.

1139334378 is an abundant number, since it is smaller than the sum of its proper divisors (1715271222).

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

1139334378 is a wasteful number, since it uses less digits than its factorization.

1139334378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298131 (or 298124 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 1139334378 is about 33754.0275819049. The cubic root of 1139334378 is about 1044.4405720402.

The spelling of 1139334378 in words is "one billion, one hundred thirty-nine million, three hundred thirty-four thousand, three hundred seventy-eight".