138164410 has 16 divisors (see below), whose sum is σ = 257272200. Its totient is φ = 53359936.

The previous prime is 138164347. The next prime is 138164413. The reversal of 138164410 is 14461831.

It can be written as a sum of positive squares in 4 ways, for example, as 100942209 + 37222201 = 10047^2 + 6101^2 .

It is not an unprimeable number, because it can be changed into a prime (138164413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 237925 + ... + 238504.

Almost surely, 2^138164410 is an apocalyptic number.

138164410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138164410 is a deficient number, since it is larger than the sum of its proper divisors (119107790).

138164410 is a wasteful number, since it uses less digits than its factorization.

138164410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476465.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 138164410 is about 11754.3357957819. The cubic root of 138164410 is about 516.9700643749.

The spelling of 138164410 in words is "one hundred thirty-eight million, one hundred sixty-four thousand, four hundred ten".