138361007 has 2 divisors, whose sum is σ = 138361008. Its totient is φ = 138361006.

The previous prime is 138360991. The next prime is 138361043. The reversal of 138361007 is 700163831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138361007 - 2⁴ = 138360991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138361087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69180503 + 69180504.

It is an arithmetic number, because the mean of its divisors is an integer number (69180504).

Almost surely, 2^138361007 is an apocalyptic number.

138361007 is a deficient number, since it is larger than the sum of its proper divisors (1).

138361007 is an equidigital number, since it uses as much as digits as its factorization.

138361007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 138361007 is about 11762.6955669183. The cubic root of 138361007 is about 517.2151506354.

The spelling of 138361007 in words is "one hundred thirty-eight million, three hundred sixty-one thousand, seven".