1368991467 has 6 divisors (see below), whose sum is σ = 1977432132. Its totient is φ = 912660972.

The previous prime is 1368991451. The next prime is 1368991469. The reversal of 1368991467 is 7641998631.

1368991467 is a `hidden beast` number, since 13 + 6 + 89 + 91 + 467 = 666.

It is not a de Polignac number, because 1368991467 - 2⁴ = 1368991451 is a prime.

It is a super-3 number, since 3×1368991467³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368991469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76055073 + ... + 76055090.

It is an arithmetic number, because the mean of its divisors is an integer number (329572022).

Almost surely, 2^1368991467 is an apocalyptic number.

1368991467 is a deficient number, since it is larger than the sum of its proper divisors (608440665).

1368991467 is a wasteful number, since it uses less digits than its factorization.

1368991467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152110169 (or 152110166 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 1368991467 is about 36999.8846890095. The cubic root of 1368991467 is about 1110.3679398684.

The spelling of 1368991467 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-one thousand, four hundred sixty-seven".