138652006 has 16 divisors (see below), whose sum is σ = 222638400. Its totient is φ = 64563048.

The previous prime is 138651979. The next prime is 138652043. The reversal of 138652006 is 600256831.

138652006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28680 + ... + 33163.

It is an arithmetic number, because the mean of its divisors is an integer number (13914900).

Almost surely, 2^138652006 is an apocalyptic number.

138652006 is a deficient number, since it is larger than the sum of its proper divisors (83986394).

138652006 is a wasteful number, since it uses less digits than its factorization.

138652006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61923.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 138652006 is about 11775.0586410429. The cubic root of 138652006 is about 517.5774966985.

The spelling of 138652006 in words is "one hundred thirty-eight million, six hundred fifty-two thousand, six".