1078939256 has 8 divisors (see below), whose sum is σ = 2023011120. Its totient is φ = 539469624.

The previous prime is 1078939249. The next prime is 1078939307. The reversal of 1078939256 is 6529398701.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67433696 + ... + 67433711.

It is an arithmetic number, because the mean of its divisors is an integer number (252876390).

Almost surely, 2^1078939256 is an apocalyptic number.

It is an amenable number.

1078939256 is a deficient number, since it is larger than the sum of its proper divisors (944071864).

1078939256 is a wasteful number, since it uses less digits than its factorization.

1078939256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134867413 (or 134867409 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 1078939256 is about 32847.2107796081. The cubic root of 1078939256 is about 1025.6495604347.

The spelling of 1078939256 in words is "one billion, seventy-eight million, nine hundred thirty-nine thousand, two hundred fifty-six".