138353051 has 2 divisors, whose sum is σ = 138353052. Its totient is φ = 138353050.

The previous prime is 138353029. The next prime is 138353077. The reversal of 138353051 is 150353831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138353051 - 2¹⁸ = 138090907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138353011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69176525 + 69176526.

It is an arithmetic number, because the mean of its divisors is an integer number (69176526).

Almost surely, 2^138353051 is an apocalyptic number.

138353051 is a deficient number, since it is larger than the sum of its proper divisors (1).

138353051 is an equidigital number, since it uses as much as digits as its factorization.

138353051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 138353051 is about 11762.3573742681. The cubic root of 138353051 is about 517.2052368533.

The spelling of 138353051 in words is "one hundred thirty-eight million, three hundred fifty-three thousand, fifty-one".