138652346 has 32 divisors (see below), whose sum is σ = 245877120. Its totient is φ = 57410496.

The previous prime is 138652337. The next prime is 138652369. The reversal of 138652346 is 643256831.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48320 + ... + 51108.

It is an arithmetic number, because the mean of its divisors is an integer number (7683660).

Almost surely, 2^138652346 is an apocalyptic number.

138652346 is a deficient number, since it is larger than the sum of its proper divisors (107224774).

138652346 is a wasteful number, since it uses less digits than its factorization.

138652346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 103680, while the sum is 38.

The square root of 138652346 is about 11775.0730783295. The cubic root of 138652346 is about 517.5779197629.

The spelling of 138652346 in words is "one hundred thirty-eight million, six hundred fifty-two thousand, three hundred forty-six".