138469606 has 32 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 57566880.

The previous prime is 138469603. The next prime is 138469609. The reversal of 138469606 is 606964831.

It is an interprime number because it is at equal distance from previous prime (138469603) and next prime (138469609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138469601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^138469606 is an apocalyptic number.

138469606 is a deficient number, since it is larger than the sum of its proper divisors (108288794).

138469606 is a wasteful number, since it uses less digits than its factorization.

138469606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 138469606 is about 11767.3109077648. The cubic root of 138469606 is about 517.3504352799.

The spelling of 138469606 in words is "one hundred thirty-eight million, four hundred sixty-nine thousand, six hundred six".