1368697290 has 16 divisors (see below), whose sum is σ = 3284873568. Its totient is φ = 364985936.

The previous prime is 1368697283. The next prime is 1368697327. The reversal of 1368697290 is 927968631.

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, 22811592 + ... + 22811651.

It is an arithmetic number, because the mean of its divisors is an integer number (205304598).

Almost surely, 2^1368697290 is an apocalyptic number.

1368697290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368697290 is an abundant number, since it is smaller than the sum of its proper divisors (1916176278).

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

1368697290 is a wasteful number, since it uses less digits than its factorization.

1368697290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45623253.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 1368697290 is about 36995.9090981692. The cubic root of 1368697290 is about 1110.2884000229.

The spelling of 1368697290 in words is "one billion, three hundred sixty-eight million, six hundred ninety-seven thousand, two hundred ninety".