138067351 has 2 divisors, whose sum is σ = 138067352. Its totient is φ = 138067350.

The previous prime is 138067337. The next prime is 138067361. The reversal of 138067351 is 153760831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138067351 - 2¹⁵ = 138034583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138067301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69033675 + 69033676.

It is an arithmetic number, because the mean of its divisors is an integer number (69033676).

Almost surely, 2^138067351 is an apocalyptic number.

138067351 is a deficient number, since it is larger than the sum of its proper divisors (1).

138067351 is an equidigital number, since it uses as much as digits as its factorization.

138067351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 138067351 is about 11750.2064237187. The cubic root of 138067351 is about 516.8489807288.

The spelling of 138067351 in words is "one hundred thirty-eight million, sixty-seven thousand, three hundred fifty-one".