138079203 has 8 divisors (see below), whose sum is σ = 184193616. Its totient is φ = 92008800.

The previous prime is 138079199. The next prime is 138079231. The reversal of 138079203 is 302970831.

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

It is not a de Polignac number, because 138079203 - 2² = 138079199 is a prime.

It is a super-2 number, since 2×138079203² = 38131732602230418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138009203) 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, 2808 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (23024202).

Almost surely, 2^138079203 is an apocalyptic number.

138079203 is a deficient number, since it is larger than the sum of its proper divisors (46114413).

138079203 is a wasteful number, since it uses less digits than its factorization.

138079203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 138079203 is about 11750.7107444614. The cubic root of 138079203 is about 516.8637694504.

The spelling of 138079203 in words is "one hundred thirty-eight million, seventy-nine thousand, two hundred three".