1368156948 has 24 divisors (see below), whose sum is σ = 3236099328. Its totient is φ = 449804736.

The previous prime is 1368156899. The next prime is 1368156949. The reversal of 1368156948 is 8496518631.

It is a self number, because there is not a number n which added to its sum of digits gives 1368156948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368156949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780036 + ... + 781787.

It is an arithmetic number, because the mean of its divisors is an integer number (134837472).

Almost surely, 2^1368156948 is an apocalyptic number.

It is an amenable number.

1368156948 is an abundant number, since it is smaller than the sum of its proper divisors (1867942380).

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

1368156948 is a wasteful number, since it uses less digits than its factorization.

1368156948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561903 (or 1561901 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 1368156948 is about 36988.6056509299. The cubic root of 1368156948 is about 1110.1422721623.

The spelling of 1368156948 in words is "one billion, three hundred sixty-eight million, one hundred fifty-six thousand, nine hundred forty-eight".