138602359 has 8 divisors (see below), whose sum is σ = 166739840. Its totient is φ = 112549176.

The previous prime is 138602357. The next prime is 138602381. The reversal of 138602359 is 953206831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138602359 - 2¹ = 138602357 is a prime.

It is a super-2 number, since 2×138602359² = 38421227840729762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138602351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520929 + ... + 521194.

It is an arithmetic number, because the mean of its divisors is an integer number (20842480).

Almost surely, 2^138602359 is an apocalyptic number.

138602359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

138602359 is a deficient number, since it is larger than the sum of its proper divisors (28137481).

138602359 is a wasteful number, since it uses less digits than its factorization.

138602359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042149.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 138602359 is about 11772.9503099266. The cubic root of 138602359 is about 517.5157131529.

The spelling of 138602359 in words is "one hundred thirty-eight million, six hundred two thousand, three hundred fifty-nine".