138760373 has 2 divisors, whose sum is σ = 138760374. Its totient is φ = 138760372.

The previous prime is 138760367. The next prime is 138760381. The reversal of 138760373 is 373067831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121925764 + 16834609 = 11042^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 138760373 - 2⁸ = 138760117 is a prime.

It is a super-2 number, since 2×138760373² = 38508882230198258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138790373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69380186 + 69380187.

It is an arithmetic number, because the mean of its divisors is an integer number (69380187).

Almost surely, 2^138760373 is an apocalyptic number.

It is an amenable number.

138760373 is a deficient number, since it is larger than the sum of its proper divisors (1).

138760373 is an equidigital number, since it uses as much as digits as its factorization.

138760373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 138760373 is about 11779.6592904888. The cubic root of 138760373 is about 517.7123035340.

The spelling of 138760373 in words is "one hundred thirty-eight million, seven hundred sixty thousand, three hundred seventy-three".