1138726467 has 36 divisors (see below), whose sum is σ = 1719297840. Its totient is φ = 725734080.

The previous prime is 1138726429. The next prime is 1138726493. The reversal of 1138726467 is 7646278311.

1138726467 is a `hidden beast` number, since 1 + 1 + 387 + 264 + 6 + 7 = 666.

It is not a de Polignac number, because 1138726467 - 2⁶ = 1138726403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131726467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1238634 + ... + 1239552.

Almost surely, 2^1138726467 is an apocalyptic number.

1138726467 is a deficient number, since it is larger than the sum of its proper divisors (580571373).

1138726467 is an equidigital number, since it uses as much as digits as its factorization.

1138726467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1020 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1138726467 is about 33745.0213661216. The cubic root of 1138726467 is about 1044.2547793869.

The spelling of 1138726467 in words is "one billion, one hundred thirty-eight million, seven hundred twenty-six thousand, four hundred sixty-seven".