138741467 has 2 divisors, whose sum is σ = 138741468. Its totient is φ = 138741466.

The previous prime is 138741433. The next prime is 138741469. The reversal of 138741467 is 764147831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138741467 - 2¹² = 138737371 is a prime.

Together with 138741469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138741469) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69370733 + 69370734.

It is an arithmetic number, because the mean of its divisors is an integer number (69370734).

Almost surely, 2^138741467 is an apocalyptic number.

138741467 is a deficient number, since it is larger than the sum of its proper divisors (1).

138741467 is an equidigital number, since it uses as much as digits as its factorization.

138741467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 138741467 is about 11778.8567781428. The cubic root of 138741467 is about 517.6887898243.

The spelling of 138741467 in words is "one hundred thirty-eight million, seven hundred forty-one thousand, four hundred sixty-seven".