1368757194 has 16 divisors (see below), whose sum is σ = 3128587968. Its totient is φ = 391073472.

The previous prime is 1368757183. The next prime is 1368757213. The reversal of 1368757194 is 4917578631.

It is a happy number.

It is a super-2 number, since 2×1368757194² = 3746992512253507272, which contains 22 as substring.

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, 16294687 + ... + 16294770.

It is an arithmetic number, because the mean of its divisors is an integer number (195536748).

Almost surely, 2^1368757194 is an apocalyptic number.

1368757194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1368757194 is an abundant number, since it is smaller than the sum of its proper divisors (1759830774).

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

1368757194 is a wasteful number, since it uses less digits than its factorization.

1368757194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32589469.

The product of its digits is 1270080, while the sum is 51.

The square root of 1368757194 is about 36996.7186923381. The cubic root of 1368757194 is about 1110.3045978451.

The spelling of 1368757194 in words is "one billion, three hundred sixty-eight million, seven hundred fifty-seven thousand, one hundred ninety-four".