138370 has 16 divisors (see below), whose sum is σ = 253368. Its totient is φ = 54400.

The previous prime is 138349. The next prime is 138371. The reversal of 138370 is 73831.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 2209 = 369^2 + 47^2 .

It is not an unprimeable number, because it can be changed into a prime (138371) 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, 942 + ... + 1078.

2¹³⁸³⁷⁰ is an apocalyptic number.

138370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138370 is a deficient number, since it is larger than the sum of its proper divisors (114998).

138370 is a wasteful number, since it uses less digits than its factorization.

138370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 138370 is about 371.9811823198. The cubic root of 138370 is about 51.7226356141.

The spelling of 138370 in words is "one hundred thirty-eight thousand, three hundred seventy".