1468139067 has 32 divisors (see below), whose sum is σ = 2263430400. Its totient is φ = 939750336.

The previous prime is 1468139039. The next prime is 1468139083. The reversal of 1468139067 is 7609318641.

It is a happy number.

It is not a de Polignac number, because 1468139067 - 2⁷ = 1468138939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1468139087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57783 + ... + 79215.

It is an arithmetic number, because the mean of its divisors is an integer number (70732200).

Almost surely, 2^1468139067 is an apocalyptic number.

1468139067 is a deficient number, since it is larger than the sum of its proper divisors (795291333).

1468139067 is a wasteful number, since it uses less digits than its factorization.

1468139067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544 (or 21538 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1468139067 is about 38316.3028879353. The cubic root of 1468139067 is about 1136.5513577251.

The spelling of 1468139067 in words is "one billion, four hundred sixty-eight million, one hundred thirty-nine thousand, sixty-seven".