1319055956 has 6 divisors (see below), whose sum is σ = 2308347930. Its totient is φ = 659527976.

The previous prime is 1319055949. The next prime is 1319055967. The reversal of 1319055956 is 6595509131.

It can be written as a sum of positive squares in only one way, i.e., 1314787600 + 4268356 = 36260^2 + 2066^2 .

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, 164881991 + ... + 164881998.

It is an arithmetic number, because the mean of its divisors is an integer number (384724655).

Almost surely, 2^1319055956 is an apocalyptic number.

It is an amenable number.

1319055956 is a deficient number, since it is larger than the sum of its proper divisors (989291974).

1319055956 is a wasteful number, since it uses less digits than its factorization.

1319055956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329763993 (or 329763991 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 44.

The square root of 1319055956 is about 36318.8099474639. The cubic root of 1319055956 is about 1096.6997380829.

The spelling of 1319055956 in words is "one billion, three hundred nineteen million, fifty-five thousand, nine hundred fifty-six".