1368348057 has 12 divisors (see below), whose sum is σ = 1996880340. Its totient is φ = 902827008.

The previous prime is 1368348053. The next prime is 1368348077. The reversal of 1368348057 is 7508438631.

It can be written as a sum of positive squares in 2 ways, for example, as 388720656 + 979627401 = 19716^2 + 31299^2 .

It is not a de Polignac number, because 1368348057 - 2² = 1368348053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1368348053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782832 + ... + 784577.

It is an arithmetic number, because the mean of its divisors is an integer number (166406695).

Almost surely, 2^1368348057 is an apocalyptic number.

It is an amenable number.

1368348057 is a deficient number, since it is larger than the sum of its proper divisors (628532283).

1368348057 is a wasteful number, since it uses less digits than its factorization.

1368348057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567512 (or 1567509 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1368348057 is about 36991.1889103338. The cubic root of 1368348057 is about 1110.1939592883.

The spelling of 1368348057 in words is "one billion, three hundred sixty-eight million, three hundred forty-eight thousand, fifty-seven".