138370202 has 8 divisors (see below), whose sum is σ = 209610612. Its totient is φ = 68500000.

The previous prime is 138370201. The next prime is 138370207. The reversal of 138370202 is 202073831.

It can be written as a sum of positive squares in 2 ways, for example, as 136212241 + 2157961 = 11671^2 + 1469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (138370201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342299 + ... + 342702.

Almost surely, 2^138370202 is an apocalyptic number.

138370202 is a deficient number, since it is larger than the sum of its proper divisors (71240410).

138370202 is a wasteful number, since it uses less digits than its factorization.

138370202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685104.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 138370202 is about 11763.0864147128. The cubic root of 138370202 is about 517.2266078325.

The spelling of 138370202 in words is "one hundred thirty-eight million, three hundred seventy thousand, two hundred two".