1368135670 has 16 divisors (see below), whose sum is σ = 2686521168. Its totient is φ = 497503840.

The previous prime is 1368135661. The next prime is 1368135689. The reversal of 1368135670 is 765318631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6218689 + ... + 6218908.

It is an arithmetic number, because the mean of its divisors is an integer number (167907573).

Almost surely, 2^1368135670 is an apocalyptic number.

1368135670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368135670 is a deficient number, since it is larger than the sum of its proper divisors (1318385498).

1368135670 is a wasteful number, since it uses less digits than its factorization.

1368135670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437615.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1368135670 is about 36988.3180206940. The cubic root of 1368135670 is about 1110.1365170404.

The spelling of 1368135670 in words is "one billion, three hundred sixty-eight million, one hundred thirty-five thousand, six hundred seventy".